interface A { default void m(T t) { } } class MyClass implements A { @Override public void m(T t) { A.super.m(t); } public MyClass() { super(); } @Override public int hashCode() { return super.hashCode(); } @Override public boolean equals(Object obj) { return super.equals(obj); } @Override protected Object clone() throws CloneNotSupportedException { return super.clone(); } @Override public String toString() { return super.toString(); } @Override protected void finalize() throws Throwable { super.finalize(); } }