docs: update the whole repository

* fix some bugs
* delete duplicate files
* format code

Others/ReverseString.java

@@ -1,46 +1,46 @@
+package Others;
+
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
 
 /**
  * This method produces a reversed version of a string
- * 
- * @author Unknown
  *
+ * @author Unknown
  */
-class ReverseString
-{
-	
-	/**
-	 * This method reverses the string str and returns it
-	 * @param str String to be reversed
-	 * @return Reversed string
-	 */
-	public static String reverse(String str){
-          if(str.isEmpty() || str == null) return str;
-          
-          char arr[] = str.toCharArray();
-          for(int i = 0, j = str.length() - 1; i < j; i++, j--){
+class ReverseString {
+
+    /**
+     * This method reverses the string str and returns it
+     *
+     * @param str String to be reversed
+     * @return Reversed string
+     */
+    public static String reverse(String str) {
+        if (str.isEmpty() || str == null) return str;
+
+        char arr[] = str.toCharArray();
+        for (int i = 0, j = str.length() - 1; i < j; i++, j--) {
             char temp = arr[i];
             arr[i] = arr[j];
             arr[j] = temp;
-          }
-          return new String(arr);
         }
-	
-	/**
-	 * Main Method
-	 * 
-	 * @param args Command line arguments
-	 * @throws IOException Exception thrown because of BufferedReader
-	 */
-	public static void main(String args[]) throws IOException
-	{
-		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
-		System.out.println("Enter the string");
-		String srr=br.readLine();
-		System.out.println("Reverse="+reverse(srr));
-		br.close();
-	}
+        return new String(arr);
+    }
+
+    /**
+     * Main Method
+     *
+     * @param args Command line arguments
+     * @throws IOException Exception thrown because of BufferedReader
+     */
+    public static void main(String args[]) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        System.out.println("Enter the string");
+        String srr = br.readLine();
+        System.out.println("Reverse=" + reverse(srr));
+        br.close();
+    }
 }