public class One {

    static String foo = "hello";
}
public class Two extends One{

    static String foo = "goodbye";
}

public class StaticOverrideTest extends TestCase {

    public void testOne() {
        System.out.println("One.foo = " + One.foo);
        System.out.println("Two.foo = " + Two.foo);
    }
}

class One { static foo = "hello" }
class Two extends One { static foo = "goodbye" }

println One.foo
println Two.foo