PassByReferenceTest.java

class PassByReferenceTest {

    public static void main(String args[]){

        PassByReference object = new PassByReference();
        System.out.println("In main method adress [1] --> " +object);
        System.out.println("In main method value [1] --> " +object.getValue());
        change(object);
        System.out.println("In main method adress [2] --> " +object);
        System.out.println("In main method value [2] --> " +object.getValue());
    }

    private static void change(PassByReference o){

        System.out.println("In change method adress [1] --> " +o);
        System.out.println("In change method value [1] --> " + o.getValue());
        o.setValue("New Value");
        System.out.println("In change method value [2] --> " + o.getValue());
        PassByReference object2 = new PassByReference();
        o = object2;
        System.out.println("In change method adress [2] --> " +o);

    }
}