class String2
              {
              // instance variable of the class ABC
              int x = 30;
              }
              class DeepCopyExample
              {
              // main method
              public static void main(String argvs[])
              {
              // creating an object of the class ABC
              
              String2 obj1 = new String2();
              
              // it will copy the reference, not value
              String2 obj2 = new String2();
              
              // updating the value to 6
              // using the reference variable obj2
              obj2.x = 6;
              
              // printing the value of x using reference variable obj1
              System.out.println("The value of x is: " + obj1.x);
              }
              }