• 1、加入端口,这里以3306为例 firewall-cmd --zone=public --add-port=3306/tcp --permanent (--permanent永久生效,没有此参数重启后失效) 2、重新载入 firewall-cmd --reload 3、查看 firewall-cmd --zone=public --query-port=3306/tcp 4、添加到ip
  • ``` package com.debuggg.java.exer2; import java.lang.reflect.InvocationHandler; import java.lang.reflect.Method; import java.lang.reflect.Proxy; public class ProxyTest { public static void main(
  • ``` package com.debuggg.java.exer3; import org.junit.Test; import java.util.Comparator; import java.util.function.Consumer; /** * 作者 ZYL * 功能描述 : Lambada表达式的使用 * * 1.举例:(o1,o2) -> Integer.comp
  • package mvcframework.servlet; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.stereotype.Service; import or
  • ``` package com.debuggg.java.exer4; import org.junit.Test; import java.util.Comparator; import java.util.List; import java.util.function.BiPredicate; import java.util.function.Consumer; import java.
  • public class Person { static class Dog { } class Bird{ } public static void main(String[] args) { Person.Dog dog = new Person.Dog(); Person p = new Person();
  • https://www.springcloud.cc/

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