简单java类----Time类

class Time {
	private int hour;
	private int minute;
	private int second;
	private static int count = 0;
	public Time() {
		this(0, 0, 0);
	}

	public Time(int hour, int minute, int second){
		this.hour = hour;
		this.minute = minute;
		this.second = second;
		count++;
	}
	public String getInfo() {
		return "Time:" + this.hour + ":" + this.minute + ":" + this.second;
	}
	public void setHour(int hour) {
		this.hour = hour;
	}

	public void setMinute(int minute) {
		this.minute = minute;
	}

	public void setSecond(int second) {
		this.second = second;
	}

	public int getHour() {
		return this.hour;
	}

	public int getMinute() {
		return this.minute;
	}

	public int getSecond() {
		return this.second;
	}

	public static int getCount(){	//获取时间对象个数
		return count;
	}
}
public class JavaDemo{
	public static void main(String[] args) {
		Time firstTime = new Time();
		System.out.println(firstTime.getInfo());
		Time chinaTime = new Time(20, 26, 40);
		System.out.println(chinaTime.getInfo());
		chinaTime.setMinute(40);
		System.out.println("minute:" + chinaTime.getMinute());
		System.out.println(chinaTime.getInfo());
		System.out.println("时间对象个数:" + Time.getCount());
	}
}

//运行结果
Time:0:0:0
Time:20:26:40
minute:40
Time:20:40:40
时间对象个数:2