class Foo {
    protected String x = "x";

    public function getX() {
        return x;
    }
}

class Bar {
    protected Foo foo;

    public Bar() {
        this.foo = new Foo();
    }

    public Foo getFoo() {
        return foo;
    }
}

public static void main(String [] args) {
    Bar bar = new Bar();
    String x = bar.getFoo().getX();
}

class Bar {
    protected Foo foo;

    public Bar() {
        this.foo = new Foo()
    }

    public String getFooX {
        return foo.getX();
    }
}

public static void main(String [] args) {
    Bar bar = new Bar();
    String x = bar.getFooX();
}