package com.controller;
import com.myThread.AdminThread;
import com.myThread.MyCallable;
import com.myThread.MyRunnable;
import model.dade;
import org.springframework.web.bind.annotation.*;
import java.util.ArrayList;
import java.util.concurrent.*;
//上面引入*,所以这个可以注销
//import java.util.concurrent.ConcurrentHashMap;
@RestController
@CrossOrigin
@RequestMapping("/admin")
public class AdminController{
@GetMapping("/{id}")
public long findById(@PathVariable Long id) throws InterruptedException {
//可以添加任意类型数组
//ArrayList list = new ArrayList();
//加上类型限制,只能写这一种类型,jdk8后后面这个ArrayList可以不写<>,会引用前面这个
ArrayList<String> list = new ArrayList();
list.add("dade22");
list.add("dade33");
System.out.print(list+"\n");
System.out.print(list.get(0)+"\n");
list.remove(0);//删除0索引的
list.set(0,"dade6");//修改索引0的
System.out.print(list.get(0)+"\n");
System.out.print(list+"\n");
System.out.print(list.size()+"\n");//获得个数
return id;
}
}