public class XXX {

    static YYY dependend = new YYY();

    static {
        System.out.println("3");
    }

    public static void main(String[] args) {
        System.out.println("4");
    }
}

class YYY {
    static {
        System.out.println("1");
    }
    YYY(){
        System.out.println("2");
    }
}

1
2
3
4

public class Test {

    private static Object obj = new Object();

    public static void main(String[] args) {

        System.out.println("test");
    }

}

public static void main(String[] args){
    ...
}

public static void main(String... args){
    System.out.println("Executing my application...");
}

class Test2 extends Object{
    public static void doSomething(){
        System.out.println("Calling Test's doSomethingElse method.");
        Test.doSomethingElse();
    }
}