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class a {
    public void methodA() {
        System.out.println("Method A from class a");
    }
}
class b extends a {
    public void methodB() {
        System.out.println("Method B from class b");
    }
}
class Inherit {
    public static void main(String[] args) {
        b obj = new b();
        obj.methodA();
        obj.methodB();
    }
}