Question

Is there any difference in between the two method definitions below? Eclipse does not complain for any of them.

private void method1() {
}

and

private void method2() {    
};

Answer 1

The semicolon is not part of the method so there is no difference between the method definitions.

The semicolon is just part of the class body.

class AClass {
    private void method() { }

    ;
}

This is equivalent.

You can put initializer statements in the class body. They are executed when an instance is created. A single semicolon constitutes an empty statement so it is not very useful. Other initializers are more useful:

class AClass {
    private void method() { }

    ;

    int x = 5;

    {
        System.out.println("Hello world");
    }

    int y = 5; ; ;
}