package InnerClass; public class Callbacks { public static void main(String[] args) { Callee1 callee1=new Callee1(); Callee2 callee2=new Callee2(); MyInrement.f(callee2); Caller caller1=new Caller(callee1); Caller caller2=new Caller(callee2.getCallbackReference());; caller2.go(); } }