JAVA程序设计(05.1)-----时钟，走秒与显示

本文链接：https://blog.csdn.net/Anubies/article/details/40322401

1.先创建时钟的类

package com.lovo;

import java.util.Calendar;

/**
 * 时钟类
 * @author Abe
 *
 */
public class CLock {
	private int hour;
	private int minute;
	private int second;
	
	
	/**
	 * 构造器
	 */
	public CLock() {
		Calendar cal = Calendar.getInstance();
		hour = cal.get(Calendar.HOUR_OF_DAY);	//12?
		minute = cal.get(Calendar.MINUTE);		//13?
		second = cal.get(Calendar.SECOND);		//14?
	}

/**
 * 时钟走你~
 */
	public void go() {
			second++;
			if(second ==60){
				second = 0;
				minute++ ;
			}
			if(minute == 60){
					minute = 0;
					hour++;
			}
			if(hour == 24 ){
				hour = 0;
			}
	}	


/**
 * 时钟，范围字符串
 */
	public String showtime(){
		String time = "";
		if(hour < 10){
			time += "0";
		}
		time += hour + ":";
		if(minute < 10 ){
			time += "0"; 
		}
		time += minute + ":";
		if(second < 10){
			time += "0";
		}
		time += second;
		return time;
	}
		
}

然后开始走你~

package com.lovo;
/**
 * 时钟运行 200次 每 100毫秒一次
 * @author Abe
 *
 */
public class Testclock {
	public static void main(String[] args) throws InterruptedException {	//间隔时间程序造成的，3选1都可以
		CLock c = new CLock();
		for (int i = 0; i < 200; i++) {
			c.go();
			Thread.sleep(100);<span style="white-space:pre">					</span>//间隔时间
			System.out.println(c.showtime());
		}
		
	}
}