取时间的小类

package pub.dates;
import java.text.DateFormat;
import java.util.*;

public class Dates
{
Date param=null;
Calendar ca=Calendar.getInstance();
public Dates()
{
  param=new Date();
  ca.setTime(param);
}
public Dates(Date vars)
{
  param=vars;
  ca.setTime(param);
}
public Dates(int y,int m,int d)
{
  y=y-1900;m=m-1;
  param=new Date(y,m,d);
  ca.setTime(param);
}
//
public int getYear()
{
  return ca.get(Calendar.YEAR);
}
public int getMonth()
{
  return 1+ca.get(Calendar.MONTH);
}
public int getDay()
{
  return ca.get(Calendar.DAY_OF_MONTH);
}
public int getHour()
{
  return ca.get(Calendar.HOUR_OF_DAY);
}
    
public int getMinute()
{
  return ca.get(Calendar.MINUTE);
}

public int getSecond()
{
  return ca.get(Calendar.SECOND);
}
public String getDate()
{
  return getYear()+"-"+getMonth()+"-"+getDay();
}

public String getTime()
{
  return getHour() + ":" + getMinute() + ":" + getSecond();
}
}
//package部分自己随意.
构造方法:(3个)
Dates();
Dates(Date date);
Dates(int y,int m, int d); y,m,d是年.月.日

方法:
getYear();  getMonth();  getDay(); getHour();  getMinute(); getSecond(); getDate(); getTime()
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