自写时间小工具类

package com.wk.mothod;

public class MyTimeUtil {

    private long time=0;
    public  void start() {
        time=System.currentTimeMillis();
    }
    public void end(){
        time=System.currentTimeMillis()-time;
    }
    public long endAndGet(){
        time=System.currentTimeMillis()-time;
        return time;
    }
    public long getTime(){
        return time;
    }
    public void disp() {
        System.out.println("The total time is:"+time+"ms");
    }
    public void endAndDisp() {
        time=System.currentTimeMillis()-time;
        System.out.println("The total time is:"+time+"ms");
    }
}