04 2024 档案
摘要:package com.example.util; import com.alibaba.fastjson.JSON; import com.example.commom.PO; import com.example.commom.VO; import org.springframework.bea
阅读全文
摘要:@Retention(RetentionPolicy.RUNTIME) @Target({ElementType.METHOD, ElementType.TYPE}) @Documented public @interface RequestInitial { Class<?>[] groups()
阅读全文
摘要:计数器 package com.itheima.limit; import java.util.concurrent.*; public class Counter { public static void main(String[] args) { //计数器,这里用信号量实现 final Sem
阅读全文
摘要:先来先淘汰(FIFO) package com.itheima.release; import java.util.Iterator; import java.util.LinkedList; public class FIFO { LinkedList<Integer> fifo = new Li
阅读全文
摘要:package com.example.observer.customization.event; import java.util.EventObject; /** * 事件的抽象 */ public abstract class AppEvent extends EventObject { /*
阅读全文