Simpledateformate

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Scanner;
public class Simpledate {
    public static void main(String[] args){
      Scanner s=new Scanner(System.in);
      System.out.println("请输入你的生日");
   String str=s.next();
   //定义一个日期格式化对象
 SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd-HH:mm:ss");
try {
    Date birth=sdf.parse(str); 
    System.out.println(birth);
    sdf=new SimpleDateFormat("MM/dd/yyyy");
    String b=sdf.format(birth);
    System.out.println(b);
    
} catch (ParseException e) {
    System.out.println("格式错误，不能解析");
    e.printStackTrace();
}   
    }

}