interface Function<X, Y> { } class A { private static final Function<String, String> a = new Function<String, String>() { @Override public int hashCode() { <selection>return super.hashCode();</selection> } @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(); } }; }