@@ -0,0 +1,455 @@
+class XChange %7B%0A %0A    private int myValue = 0;%0A    //No effect%0A    public void showOne(int myValue)%7B%0A        myValue = myValue;%0A    %7D%0A %0A    public void showTwo(int myValue)%7B%0A        this.myValue = myValue;%0A    %7D    %0A    public static void main(String%5B%5D args) %7B%0A        XChange ct = new XChange();%0A        //No effect%0A        ct.showOne(100);%0A        System.out.println(ct.myValue);%0A        ct.showTwo(200);%0A        System.out.println(ct.myValue);%0A    %7D%0A%7D%0A

Create thisOperator.java