MyClass.java
 

public class MyClass {
  int x = 5;

  public static void main(String[] args) {
    MyClass myObj1 = new MyClass();
    MyClass myObj2 = new MyClass();
    myObj2.x = 25;
    System.out.println(myObj1.x);
    System.out.println(myObj2.x);
  }
}

Result:
5
25