Main1.java

public class Main1 {

    /**
     * @param args
     */
    public static void main(String[] args) {
        MyClass myObjectA = new MyClass(3000);
        MyClass myObjectB = new MyClass(2500);
        System.out.println(myObjectA.myInt);
        System.out.println(myObjectB.myInt);

        myObjectA.setMyLong(1000L);
        myObjectB.setMyLong(4000L);
        System.out.println(myObjectA.getMyLong());
        System.out.println(myObjectB.getMyLong());

        System.out.println(myObjectB.classVariable);
        myObjectA.classVariable = 3000;
        System.out.println(myObjectB.classVariable);

        // Proper way to set class variables.
        MyClass.classVariable = 1000;
    }
}