两个日期大小的比较

import java.sql.Date;
public class maintest {
 /**
  * @param args
  */
 public static boolean dateCompare(Date dat1, Date dat2) {
  boolean dateComPareFlag = true;
  if (dat2.compareTo(dat1) != 1) {
   dateComPareFlag = false; //
  }
  return dateComPareFlag;
 }
 public static void main(String[] args) {
  
  String s1 = "2001-01-01";
  String s2 = "2008-05-20";
  boolean b = dateCompare(Date.valueOf(s1), Date.valueOf(s2));
  if(b){
   System.out.println("第一个日期小");
  }else{
   System.out.println("第二个日期小");
  }
 }

}