import Collection.MyHashSet;

import PaperTest.Main;

import org.junit.Test;

import java.util.HashMap;

import java.util.Map;

import java.util.TreeMap;

/**

* @projectName: javaStudy

* @className: AppMain

* @author: WenYichong

* @date: 2019/8/4-21:49

* @description: 连我自己都不知道在写什么......

*/

public class AppMain {

@Test

public void test() {

// System.out.println("Hello World!");

// String myName = "小明";

// Main ma=new Main();

// System.out.println(myName.hashCode());

// Integer i=new Integer(999);

// System.out.println(i.hashCode());

// Map<String,String > map =new HashMap<>();

// Map<String,String > map2 =new HashMap<>();

// map.put("01","jjjj");

// map.put("01","jjjj");

// map2.put("01","jjjj");

// System.out.println(map.toString());

// System.out.println(map.hashCode());

// System.out.println(map2.hashCode());

char ch='我';

System.out.println(ch);

String str="我爱你";

System.out.println(str.length());

Map<String ,String > mapTree=new TreeMap<>();

mapTree.put("01","jjjj");

mapTree.put(str,"jjjj");

mapTree.put(str,"jjj2j");

System.out.printf(mapTree.toString());

}

}