public class Nested {
    private abstract class Aa {
        public abstract void printer();
    }
    public void outer(int zz) {
        int bb = zz * zz;
        Aa aA = new Aa() {
            public void printer() {
                System.out.println(bb);
            }
        };
        aA.printer();
        bb *= bb;
        aA.printer();
    }
}