package basic.day14;import java.text.DecimalFormat;import java.util.ArrayList;import java.util.Collections;/* * 时间对比排序程序 * 2012/10/24 *  */public class TimeDemo {    //定义类的私有属性    private int hour;    private int minute;    private int second;        //时间构造器    public TimeDemo(int h,int m,int s){        this.hour=h;        this.minute=m;        this.second=s;    }    //封装中的set方法    public void setHour(int hour){        this.hour=hour;    }    public void setMinute(int minute){        this.minute=minute;    }    public void setSecond(int second){        this.second=second;    }    //封装中的get方法    public int getSecond(){        return second;    }    public int getMinute(){        return minute;    }    public int getHour(){        return hour;    }    public String toString(){        //十进制，指定数字显示格式        DecimalFormat df=new DecimalFormat("00");        //格式化时间格式        String sh=df.format(hour);        String sm=df.format(minute);        String ss=df.format(second);        //返回数据        return sh+":"+sm+":"+ss;    }        public static void main(String[] args){        //创建时间对象容器        TimeDemo t1,t2,t3,t4,t5;        //给时间对象赋值        t1=new TimeDemo(6,24,32);        t2=new TimeDemo(18,14,05);        t3=new TimeDemo(12,07,58);        t4=new TimeDemo(6,14,22);        t5=new TimeDemo(8,05,00);        //创建Arraylist对象实例化        ArrayList list=new ArrayList();        //添加创建的对象赋值        list.add(t1);        list.add(t2);        list.add(t3);        list.add(t4);        list.add(t5);        Collections.sort(list,comparator);        System.out.println(list);    }}