闰年 的方法 和你生存了多少天的 方法

package cn.jiangye.java;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Scanner;
public class Well {
//1.
/*public static void main(String[] args){
good();
}
public static void good(){
String st="";
boolean b=st.isEmpty();
System.out.println(b);

}*/

//2.
/*public static void main(String[] args){
good();
}
public static void good(){
String scr="15651515461";
char b=scr.charAt(6);
System.out.println(b);

}*/


//3.
/*public static void main(String[] args){
good();
}*/
/*public static void good(){
String string="ADSVAFGCC";
String b=string.toLowerCase();
System.out.println(b);
}*/


//4.
/*public static void good(){
String string="adfasdfgahg";
String str=string.toUpperCase();
System.out.println(str);
}*/


//5.
/*public static void good(){
StringBuffer buffer= new StringBuffer();
buffer.append("一花一世界");
buffer.replace(0, 5, "一叶一菩提");
System.out.println(buffer);
}*/


//6.
/*public static void good(){
String str="abcdefgh";
String str1=str.replace("abc", "xyz");
System.out.println(str1);
}*/


//7.
/*public static void good(){
String str=" agddga ";
String str1=str.trim();
System.out.println(str1);
}*/

 

闰年的方法
public static void main(String[] args) throws ParseException{
good();
}

/*public static void good() throws ParseException{
SimpleDateFormat time=new SimpleDateFormat("yyyy-MM-dd");
Scanner sc=new Scanner(System.in);
System.out.println("请输入年份");
int i=sc.nextInt();-
Date date1=time.parse(i+"-1-31");
long ss=date1.getTime();
System.out.println(ss);

Date date2=time.parse(i+"-3-1");
long ss1=date2.getTime();
System.out.println(ss1);
long ss3=ss1-ss;
long day=(ss3/1000/3600/24)-1;
System.out.println(day);
if(day==29) {
System.out.println(i+"年是闰年");
}else if(day==28) {
System.out.println(i+"年是平年");
}
}*/
//活了多少天
public static void good() throws ParseException {
Scanner sc=new Scanner(System.in);
String i=sc.next();
Date date=new Date();
long time1=date.getTime();
//定义日期格式
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
System.out.println("请输入您的出生日期:(格式为yyyy-MM-dd)");
Date date2=sdf.parse(i);
long time2=date2.getTime();
long time3=time1-time2;
long day=time3/1000/3600/24;
System.out.println("您共生存了:"+day+"天");
}
}

转载于:https://www.cnblogs.com/550410638boke/p/10561911.html