I have a class, Super:

public class Super {
    public static String foo = "foo";
}

I also have another class, Sub that extends Super:

public class Sub extends Super {
    static {
        foo = "bar";
    }

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

When I run it, it prints out bar.
My third (and last) class is Testing:

public class Testing {
    public static void main (String[] args) {
        System.out.println(Super.foo);
        System.out.println(Sub.foo);
        System.out.println(Super.foo);
    }
}

This prints:

foo
foo
foo

I don't understand why the contents of foo vary depending on what class you're accessing it from. Can anyone explain?

java inheritance
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