Confused with Java Access Level Override

. , (), B , A. "" foo, "", B , protected.

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: private .

:

public static class Base {
    public void callBoth() {
        foo();
        bar();
    }

    private void foo() {
        System.out.println("Base.foo");
    }

    protected void bar() {
        System.out.println("Base.bar");
    }
}

public static class Sub extends Base {
    public void foo() {
        System.out.println("Sub.foo");
    }

    public void bar() {
        System.out.println("Sub.bar");
    }
}

new Sub().callBoth() :

Base.foo
Sub.bar