diff --git a/README.md b/README.md
index 1beea998..c2760f5d 100644
--- a/README.md
+++ b/README.md
@@ -135,6 +135,7 @@ API Dash currently supports API integration code generation for the following la
 | Python                 | `http.client` |
 | Python                 | `requests`    |
 | Kotlin                 | `okhttp3`     |
+| Java                   | `okhttp3`     |
 
 We welcome contributions to support other programming languages/libraries/frameworks. Please check out more details [here](https://github.com/foss42/apidash/discussions/80).
 
diff --git a/lib/codegen/codegen.dart b/lib/codegen/codegen.dart
index 854ca241..2409bb63 100644
--- a/lib/codegen/codegen.dart
+++ b/lib/codegen/codegen.dart
@@ -15,6 +15,7 @@ import 'js/fetch.dart';
 import 'others/har.dart';
 import 'others/curl.dart';
 import 'julia/http.dart';
+import 'java/okhttp.dart';
 
 class Codegen {
   String? getCode(
@@ -52,6 +53,8 @@ class Codegen {
         return FetchCodeGen(isNodeJs: true).getCode(rM);
       case CodegenLanguage.kotlinOkHttp:
         return KotlinOkHttpCodeGen().getCode(rM);
+        case CodegenLanguage.javaOkHttp:
+        return JavaOkHttpCodeGen().getCode(rM);
       case CodegenLanguage.pythonHttpClient:
         return PythonHttpClientCodeGen()
             .getCode(rM, boundary: boundary ?? getNewUuid());
diff --git a/lib/codegen/java/okhttp.dart b/lib/codegen/java/okhttp.dart
new file mode 100644
index 00000000..ac7a6b09
--- /dev/null
+++ b/lib/codegen/java/okhttp.dart
@@ -0,0 +1,190 @@
+import 'dart:convert';
+import 'package:jinja/jinja.dart' as jj;
+import 'package:apidash/utils/utils.dart'
+    show getValidRequestUri, stripUriParams;
+import '../../models/request_model.dart';
+import 'package:apidash/consts.dart';
+
+class JavaOkHttpCodeGen {
+  final String kTemplateStart = """
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;{{importForQuery}}{{importForBody}}{{importForFormData}}
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+""";
+
+  final String kStringImportForQuery = """
+
+import okhttp3.HttpUrl;""";
+
+  final String kStringImportForBody = """
+
+import okhttp3.RequestBody;
+import okhttp3.MediaType;""";
+
+  final String kStringImportForFormData = """
+
+import okhttp3.RequestBody;
+import okhttp3.MultipartBody;""";
+
+  final String kTemplateUrl = '''
+
+        String url = "{{url}}";
+
+''';
+
+  final String kTemplateUrlQuery = '''
+
+        HttpUrl url = HttpUrl.parse("{{url}}").newBuilder()
+            {{params}}
+            .build();
+
+''';
+
+  String kTemplateRequestBody = '''
+
+        MediaType mediaType = MediaType.parse("{{contentType}}");
+
+        RequestBody body = RequestBody.create({{body}}, mediaType);
+
+''';
+
+  final String kStringRequestStart = """
+
+        Request request = new Request.Builder()
+            .url(url)
+""";
+
+  final String kTemplateRequestEnd = """
+            .{{method}}({{hasBody}})
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+
+""";
+// Converting list of form data objects to kolin multi part data
+  String kFormDataBody = '''
+        RequestBody body = new MultipartBody.Builder().setType(MultipartBody.FORM)
+            {%- for item in formDataList -%}
+              {% if item.type == 'file' %}
+            .addFormDataPart("{{ item.name }}",null,RequestBody.create(MediaType.parse("application/octet-stream"),new File("{{ item.value }}")))
+              {%- else %}
+            .addFormDataPart("{{ item.name }}","{{ item.value }}")
+              {%- endif %}
+            {%- endfor %}
+            .build();
+
+''';
+
+  String? getCode(
+    RequestModel requestModel,
+  ) {
+    try {
+      String result = "";
+      bool hasQuery = false;
+      bool hasBody = false;
+      bool hasFormData = false;
+
+      var rec = getValidRequestUri(
+        requestModel.url,
+        requestModel.enabledRequestParams,
+      );
+      Uri? uri = rec.$1;
+
+      if (uri != null) {
+        String url = stripUriParams(uri);
+
+        if (uri.hasQuery) {
+          var params = uri.queryParameters;
+          if (params.isNotEmpty) {
+            hasQuery = true;
+            var templateParams = jj.Template(kTemplateUrlQuery);
+            result += templateParams
+                .render({"url": url, "params": getQueryParams(params)});
+          }
+        }
+        if (!hasQuery) {
+          var templateUrl = jj.Template(kTemplateUrl);
+          result += templateUrl.render({"url": url});
+        }
+
+        var method = requestModel.method;
+        var requestBody = requestModel.requestBody;
+        if (requestModel.hasFormData) {
+          hasFormData = true;
+          var formDataTemplate = jj.Template(kFormDataBody);
+
+          result += formDataTemplate.render({
+            "formDataList": requestModel.formDataMapList,
+          });
+        } else if (kMethodsWithBody.contains(method) && requestBody != null) {
+          var contentLength = utf8.encode(requestBody).length;
+          if (contentLength > 0) {
+            hasBody = true;
+            String contentType = requestModel.requestBodyContentType.header;
+            var templateBody = jj.Template(kTemplateRequestBody);
+            result += templateBody.render({
+              "contentType": contentType,
+              "body": kEncoder.convert(requestBody)
+            });
+          }
+        }
+
+        var templateStart = jj.Template(kTemplateStart);
+        var stringStart = templateStart.render({
+          "importForQuery": hasQuery ? kStringImportForQuery : "",
+          "importForBody": hasBody ? kStringImportForBody : "",
+          "importForFormData": hasFormData ? kStringImportForFormData : ""
+        });
+
+        result = stringStart + result;
+        result += kStringRequestStart;
+
+        var headersList = requestModel.enabledRequestHeaders;
+        if (headersList != null) {
+          var headers = requestModel.enabledHeadersMap;
+          if (headers.isNotEmpty) {
+            result += getHeaders(headers);
+          }
+        }
+
+        var templateRequestEnd = jj.Template(kTemplateRequestEnd);
+        result += templateRequestEnd.render({
+          "method": method.name.toLowerCase(),
+          "hasBody": (hasBody || requestModel.hasFormData) ? "body" : "",
+        });
+      }
+      return result;
+    } catch (e) {
+      return null;
+    }
+  }
+
+  String getQueryParams(Map<String, String> params) {
+    final paramStrings = params.entries.map((entry) => '.addQueryParameter("${entry.key}", "${entry.value}")').toList();
+    return paramStrings.join('\n            ');
+  }
+
+  String getHeaders(Map<String, String> headers) {
+    String result = "";
+    for (final k in headers.keys) {
+      result = """$result            .addHeader("$k", "${headers[k]}")\n""";
+    }
+    return result;
+  }
+}
\ No newline at end of file
diff --git a/lib/consts.dart b/lib/consts.dart
index a557023d..b912db9b 100644
--- a/lib/consts.dart
+++ b/lib/consts.dart
@@ -272,6 +272,7 @@ enum CodegenLanguage {
   nodejsAxios("node.js (axios)", "javascript", "js"),
   nodejsFetch("node.js (fetch)", "javascript", "js"),
   kotlinOkHttp("Kotlin (okhttp3)", "java", "kt"),
+  javaOkHttp("Java (okhttp3)", "java", 'java'),
   pythonHttpClient("Python (http.client)", "python", "py"),
   pythonRequests("Python (requests)", "python", "py"),
   rustActix("Rust (Actix Client)", "rust", "rs"),
diff --git a/test/codegen/java_okhttp_codegen_test.dart b/test/codegen/java_okhttp_codegen_test.dart
new file mode 100644
index 00000000..20a8a17a
--- /dev/null
+++ b/test/codegen/java_okhttp_codegen_test.dart
@@ -0,0 +1,1032 @@
+import 'package:apidash/codegen/java/okhttp.dart';
+import 'package:test/test.dart';
+import '../request_models.dart';
+
+void main() {
+  final javaOkHttpCodeGen = JavaOkHttpCodeGen();
+
+  group('GET Request', () {
+    test('GET 1', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://api.apidash.dev";
+
+        Request request = new Request.Builder()
+            .url(url)
+            .get()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelGet1), expectedCode);
+    });
+
+    test('GET 2', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.HttpUrl;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        HttpUrl url = HttpUrl.parse("https://api.apidash.dev/country/data").newBuilder()
+            .addQueryParameter("code", "US")
+            .build();
+
+        Request request = new Request.Builder()
+            .url(url)
+            .get()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelGet2), expectedCode);
+    });
+
+    test('GET 3', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.HttpUrl;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        HttpUrl url = HttpUrl.parse("https://api.apidash.dev/country/data").newBuilder()
+            .addQueryParameter("code", "IND")
+            .build();
+
+        Request request = new Request.Builder()
+            .url(url)
+            .get()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelGet3), expectedCode);
+    });
+
+    test('GET 4', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.HttpUrl;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        HttpUrl url = HttpUrl.parse("https://api.apidash.dev/humanize/social").newBuilder()
+            .addQueryParameter("num", "8700000")
+            .addQueryParameter("digits", "3")
+            .addQueryParameter("system", "SS")
+            .addQueryParameter("add_space", "true")
+            .addQueryParameter("trailing_zeros", "true")
+            .build();
+
+        Request request = new Request.Builder()
+            .url(url)
+            .get()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelGet4), expectedCode);
+    });
+
+    test('GET 5', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://api.github.com/repos/foss42/apidash";
+
+        Request request = new Request.Builder()
+            .url(url)
+            .addHeader("User-Agent", "Test Agent")
+            .get()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelGet5), expectedCode);
+    });
+
+    test('GET 6', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.HttpUrl;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        HttpUrl url = HttpUrl.parse("https://api.github.com/repos/foss42/apidash").newBuilder()
+            .addQueryParameter("raw", "true")
+            .build();
+
+        Request request = new Request.Builder()
+            .url(url)
+            .addHeader("User-Agent", "Test Agent")
+            .get()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelGet6), expectedCode);
+    });
+
+    test('GET 7', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://api.apidash.dev";
+
+        Request request = new Request.Builder()
+            .url(url)
+            .get()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelGet7), expectedCode);
+    });
+
+    test('GET 8', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.HttpUrl;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        HttpUrl url = HttpUrl.parse("https://api.github.com/repos/foss42/apidash").newBuilder()
+            .addQueryParameter("raw", "true")
+            .build();
+
+        Request request = new Request.Builder()
+            .url(url)
+            .addHeader("User-Agent", "Test Agent")
+            .get()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelGet8), expectedCode);
+    });
+
+    test('GET 9', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.HttpUrl;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        HttpUrl url = HttpUrl.parse("https://api.apidash.dev/humanize/social").newBuilder()
+            .addQueryParameter("num", "8700000")
+            .addQueryParameter("add_space", "true")
+            .build();
+
+        Request request = new Request.Builder()
+            .url(url)
+            .get()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelGet9), expectedCode);
+    });
+
+    test('GET 10', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://api.apidash.dev/humanize/social";
+
+        Request request = new Request.Builder()
+            .url(url)
+            .addHeader("User-Agent", "Test Agent")
+            .get()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(
+          javaOkHttpCodeGen.getCode(
+            requestModelGet10,
+          ),
+          expectedCode);
+    });
+
+    test('GET 11', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.HttpUrl;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        HttpUrl url = HttpUrl.parse("https://api.apidash.dev/humanize/social").newBuilder()
+            .addQueryParameter("num", "8700000")
+            .addQueryParameter("digits", "3")
+            .build();
+
+        Request request = new Request.Builder()
+            .url(url)
+            .addHeader("User-Agent", "Test Agent")
+            .get()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelGet11), expectedCode);
+    });
+
+    test('GET 12', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://api.apidash.dev/humanize/social";
+
+        Request request = new Request.Builder()
+            .url(url)
+            .get()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelGet12), expectedCode);
+    });
+  });
+
+  group('HEAD Request', () {
+    test('HEAD 1', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://api.apidash.dev";
+
+        Request request = new Request.Builder()
+            .url(url)
+            .head()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelHead1), expectedCode);
+    });
+
+    test('HEAD 2', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://api.apidash.dev";
+
+        Request request = new Request.Builder()
+            .url(url)
+            .head()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelHead2), expectedCode);
+    });
+  });
+
+  group('POST Request', () {
+    test('POST 1', () {
+      const expectedCode = r'''import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.RequestBody;
+import okhttp3.MediaType;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://api.apidash.dev/case/lower";
+
+        MediaType mediaType = MediaType.parse("text/plain");
+
+        RequestBody body = RequestBody.create("{\n\"text\": \"I LOVE Flutter\"\n}", mediaType);
+
+        Request request = new Request.Builder()
+            .url(url)
+            .post(body)
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+''';
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelPost1), expectedCode);
+    });
+
+    test('POST 2', () {
+      const expectedCode = r'''import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.RequestBody;
+import okhttp3.MediaType;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://api.apidash.dev/case/lower";
+
+        MediaType mediaType = MediaType.parse("application/json");
+
+        RequestBody body = RequestBody.create("{\n\"text\": \"I LOVE Flutter\",\n\"flag\": null,\n\"male\": true,\n\"female\": false,\n\"no\": 1.2,\n\"arr\": [\"null\", \"true\", \"false\", null]\n}", mediaType);
+
+        Request request = new Request.Builder()
+            .url(url)
+            .post(body)
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+''';
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelPost2), expectedCode);
+    });
+
+    test('POST 3', () {
+      const expectedCode = r'''import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.RequestBody;
+import okhttp3.MediaType;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://api.apidash.dev/case/lower";
+
+        MediaType mediaType = MediaType.parse("application/json");
+
+        RequestBody body = RequestBody.create("{\n\"text\": \"I LOVE Flutter\"\n}", mediaType);
+
+        Request request = new Request.Builder()
+            .url(url)
+            .addHeader("User-Agent", "Test Agent")
+            .post(body)
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+''';
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelPost3), expectedCode);
+    });
+
+    test('POST 4', () {
+      const expectedCode = r'''import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.RequestBody;
+import okhttp3.MultipartBody;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://api.apidash.dev/io/form";
+        RequestBody body = new MultipartBody.Builder().setType(MultipartBody.FORM)
+            .addFormDataPart("text","API")
+            .addFormDataPart("sep","|")
+            .addFormDataPart("times","3")
+            .build();
+
+        Request request = new Request.Builder()
+            .url(url)
+            .post(body)
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+''';
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelPost4), expectedCode);
+    });
+
+    test('POST 5', () {
+      const expectedCode = r'''import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.RequestBody;
+import okhttp3.MultipartBody;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://api.apidash.dev/io/form";
+        RequestBody body = new MultipartBody.Builder().setType(MultipartBody.FORM)
+            .addFormDataPart("text","API")
+            .addFormDataPart("sep","|")
+            .addFormDataPart("times","3")
+            .build();
+
+        Request request = new Request.Builder()
+            .url(url)
+            .addHeader("User-Agent", "Test Agent")
+            .post(body)
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+''';
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelPost5), expectedCode);
+    });
+
+    test('POST 6', () {
+      const expectedCode = r'''import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.RequestBody;
+import okhttp3.MultipartBody;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://api.apidash.dev/io/img";
+        RequestBody body = new MultipartBody.Builder().setType(MultipartBody.FORM)
+            .addFormDataPart("token","xyz")
+            .addFormDataPart("imfile",null,RequestBody.create(MediaType.parse("application/octet-stream"),new File("/Documents/up/1.png")))
+            .build();
+
+        Request request = new Request.Builder()
+            .url(url)
+            .post(body)
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+''';
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelPost6), expectedCode);
+    });
+
+    test('POST 7', () {
+      const expectedCode = r'''import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.RequestBody;
+import okhttp3.MultipartBody;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://api.apidash.dev/io/img";
+        RequestBody body = new MultipartBody.Builder().setType(MultipartBody.FORM)
+            .addFormDataPart("token","xyz")
+            .addFormDataPart("imfile",null,RequestBody.create(MediaType.parse("application/octet-stream"),new File("/Documents/up/1.png")))
+            .build();
+
+        Request request = new Request.Builder()
+            .url(url)
+            .post(body)
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+''';
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelPost7), expectedCode);
+    });
+
+    test('POST 8', () {
+      const expectedCode = r'''import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.HttpUrl;
+import okhttp3.RequestBody;
+import okhttp3.MultipartBody;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        HttpUrl url = HttpUrl.parse("https://api.apidash.dev/io/form").newBuilder()
+            .addQueryParameter("size", "2")
+            .addQueryParameter("len", "3")
+            .build();
+        RequestBody body = new MultipartBody.Builder().setType(MultipartBody.FORM)
+            .addFormDataPart("text","API")
+            .addFormDataPart("sep","|")
+            .addFormDataPart("times","3")
+            .build();
+
+        Request request = new Request.Builder()
+            .url(url)
+            .post(body)
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+''';
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelPost8), expectedCode);
+    });
+
+    test('POST 9', () {
+      const expectedCode = r'''import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.HttpUrl;
+import okhttp3.RequestBody;
+import okhttp3.MultipartBody;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        HttpUrl url = HttpUrl.parse("https://api.apidash.dev/io/img").newBuilder()
+            .addQueryParameter("size", "2")
+            .addQueryParameter("len", "3")
+            .build();
+        RequestBody body = new MultipartBody.Builder().setType(MultipartBody.FORM)
+            .addFormDataPart("token","xyz")
+            .addFormDataPart("imfile",null,RequestBody.create(MediaType.parse("application/octet-stream"),new File("/Documents/up/1.png")))
+            .build();
+
+        Request request = new Request.Builder()
+            .url(url)
+            .addHeader("User-Agent", "Test Agent")
+            .addHeader("Keep-Alive", "true")
+            .post(body)
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+''';
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelPost9), expectedCode);
+    });
+  });
+
+  group('PUT Request', () {
+    test('PUT 1', () {
+      const expectedCode = r'''import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.RequestBody;
+import okhttp3.MediaType;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://reqres.in/api/users/2";
+
+        MediaType mediaType = MediaType.parse("application/json");
+
+        RequestBody body = RequestBody.create("{\n\"name\": \"morpheus\",\n\"job\": \"zion resident\"\n}", mediaType);
+
+        Request request = new Request.Builder()
+            .url(url)
+            .put(body)
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+''';
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelPut1), expectedCode);
+    });
+  });
+
+  group('PATCH Request', () {
+    test('PATCH 1', () {
+      const expectedCode = r'''import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.RequestBody;
+import okhttp3.MediaType;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://reqres.in/api/users/2";
+
+        MediaType mediaType = MediaType.parse("application/json");
+
+        RequestBody body = RequestBody.create("{\n\"name\": \"marfeus\",\n\"job\": \"accountant\"\n}", mediaType);
+
+        Request request = new Request.Builder()
+            .url(url)
+            .patch(body)
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+''';
+      expect(
+          javaOkHttpCodeGen.getCode(requestModelPatch1), expectedCode);
+    });
+  });
+
+  group('DELETE Request', () {
+    test('DELETE 1', () {
+      const expectedCode = r"""import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://reqres.in/api/users/2";
+
+        Request request = new Request.Builder()
+            .url(url)
+            .delete()
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+""";
+      expect(javaOkHttpCodeGen.getCode(requestModelDelete1),
+          expectedCode);
+    });
+
+    test('DELETE 2', () {
+      const expectedCode = r'''import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.RequestBody;
+import okhttp3.MediaType;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) {
+        OkHttpClient client = new OkHttpClient().newBuilder().build();
+
+        String url = "https://reqres.in/api/users/2";
+
+        MediaType mediaType = MediaType.parse("application/json");
+
+        RequestBody body = RequestBody.create("{\n\"name\": \"marfeus\",\n\"job\": \"accountant\"\n}", mediaType);
+
+        Request request = new Request.Builder()
+            .url(url)
+            .delete(body)
+            .build();
+
+        try (Response response = client.newCall(request).execute()) {
+            System.out.println(response.code());
+            if (response.body() != null) {
+                System.out.println(response.body().string());
+            }
+        } catch (IOException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
+''';
+      expect(javaOkHttpCodeGen.getCode(requestModelDelete2),
+          expectedCode);
+    });
+  });
+}
\ No newline at end of file