Java sisha

import java.util.Scanner;

public class ChangeCase

{

 public static void main(String[] ar)

 {

  Scanner a = new Scanner(System.in);

  System.out.println("Enter a  string  with  jumbled  cases");

  String b = a.nextLine();

  int c = b.length();
  String i = "";

  for (int d = 0; d < c; d++)

  {

   char e = b.charAt(d);

   boolean f = Character.isUpperCase(e);

   boolean g = Character.isLowerCase(e);

   if (f)

   {

    char h = Character.toLowerCase(e);

    i += h;

   } else if (g)

   {

    char j = Character.toUpperCase(e);

    i += j;

   } else if (f == false && g == false)

   {
    i += e;

   }

  }

  System.out.println("The output  is  '" + i + "'");

 }

}