package study;

import java.util.HashMap;

/**

* @author shkstart

* @date 2018/7/13 0013 - 下午 6:28

*/

public class DebugTest {

public static void main(String[] args){

for (int i = 0; i < 100; i++) {

System.out.println(i); }

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

map.put("name","Tom");

map.put("age","12");

map.put("school","Tsinghua");

map.put("major","computer");

String age = map.get("age");

System.out.println("age = " + age);

map.remove("major");

System.out.println(map);

}

}