CodingCreator的博客

JDK动态代理 1 新建一个接口 public interface Person { public void findJob(); public void findFriend(); } 2 为接口创建一个实现类 public class Bobby implements Person { @Override public void fin...

spring解决相互依赖的问题 构造器循环依赖 @Service public class A { public A(B b) { } } @Service public class B { public C (C c) { } } @Service public class C { public A (A a) {...