CImpl.java

package com.networknt.service;

/**
 * Created by steve on 2016-11-27.
 */
public class CImpl implements C {
    final A a;
    final B b;

    public CImpl(A a, B b) {
        this.a = a;
        this.b = b;
    }

    @Override
    public String c() {
        return a.a() + b.b();
    }
}