Change project structure to a Maven Java project + Refactor (#2816)

src/main/java/com/thealgorithms/conversions/BinaryToOctal.java

@@ -0,0 +1,47 @@
+package com.thealgorithms.conversions;
+
+import java.util.Scanner;
+
+/**
+ * Converts any Binary number to an Octal Number
+ *
+ * @author Zachary Jones
+ */
+public class BinaryToOctal {
+
+    /**
+     * Main method
+     *
+     * @param args Command line arguments
+     */
+    public static void main(String args[]) {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("Input the binary number: ");
+        int b = sc.nextInt();
+        System.out.println("Octal equivalent: " + convertBinaryToOctal(b));
+        sc.close();
+    }
+
+    /**
+     * This method converts a binary number to an octal number.
+     *
+     * @param binary The binary number
+     * @return The octal number
+     */
+    public static String convertBinaryToOctal(int binary) {
+        String octal = "";
+        int currBit = 0, j = 1;
+        while (binary != 0) {
+            int code3 = 0;
+            for (int i = 0; i < 3; i++) {
+                currBit = binary % 10;
+                binary = binary / 10;
+                code3 += currBit * j;
+                j *= 2;
+            }
+            octal = code3 + octal;
+            j = 1;
+        }
+        return octal;
+    }
+}