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fanker / Change.java
Created September 20, 2012 12:11
两数互换
public class Change{
public static void main(String[] args){
int a=5;
int b=7;
a=a+b;
b=a-b;
a=a-b;
System.out.println(a);
System.out.println(b);
@fanker
fanker / DaZhe.java
Created September 21, 2012 15:29
关于商场减价优惠促销的问题
public class DaZhe {
public static void main (String[] args){
java.util.Scanner input = new java.util.Scanner(System.in);
System.out.println("消费金额：");
float money = input.nextFloat();
if (money > 100){
float A = (int) money/100; //强制取整
money = money - A*20;
@fanker
fanker / CaiShu.java
Created September 26, 2012 05:15
猜数字小游戏
public class CaiShu {
public static void main (String[] args) {
java.util.Scanner input = new java.util.Scanner(System.in);
System.out.println("请输入数字:");
int a = 55;
int i = 0;
while (true) {
int num = input.nextInt();
i++;
if (a > num) {
@fanker
fanker / DaoXu.java
Created September 26, 2012 05:25
对输入数字进行倒序输出
public class DaoXu {
public static void main (String[] args){
java.util.Scanner input = new java.util.Scanner(System.in);
System.out.println("请输入数字：");
int num = input.nextInt();
System.out.println("输出数字为：");
while (num != 0) {
int i = num % 10; //数字num对10进行取余
@fanker
fanker / PaiXu.java
Created September 26, 2012 05:29
利用数组循环输入学生成绩，并排序输出
public class PaiXu {
public static void main (String[] args) {
java.util.Scanner input = new java.util.Scanner(System.in);
int [] nums = new int [5]; //定义数组，开辟空间
/*int [] nums;
nums = new int [5]; //另外的一种定义数组的方法
*/
@fanker
fanker / Total.java
Created October 7, 2012 03:51
计算100内所有偶数的和
public class Total {
public static void main (String[] args) {
int i = 0;
int total = 0;
while (i <= 100) {
int num = i%2;//数字i对2进行取余
i++;//对数字i进行自加
if (num != 0) {//判断余数是否为0
total += i;//当余数不为0的时候，说明i是偶数，加到和值total上
@fanker
fanker / Login.java
Created October 14, 2012 03:35
开发一个登陆系统，如果输入用户名密码错误3次，提示冻结账号
import java.util.*;
public class Login {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int errorNum = 0;//赋初始变量
String lastname = "";//赋初始变量
while (true){
System.out.println("请输入用户名：");
String name = input.next();
@fanker
fanker / Mobile.java
Created October 14, 2012 04:44
创建一个手机类，可以通过手机获得指定联系人的电话号码
package com.mobile;
public class Mobile {
private String[] names = new String[10];//定义数组，开辟内存空间
private String[] nums = new String[10];//定义数组，开辟内存空间
java.util.Scanner input = new java.util.Scanner(System.in);
//开始方法
public void star(){
System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
@fanker
fanker / Date.java
Created October 23, 2012 13:20
通过正则表达式来判断输入的日期格式是否正确
package com.java13;
//创建一个Date类
public class Date {
private String year;
private String month;//Date所包含的属性
private String day;
public String getYear() {
return year;
}
@fanker
fanker / gist:4070003
Created November 14, 2012 02:58
导航首页
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
<title>EveryDay You Need</title>
</head>
<body background="html/img/white.png">
<table cellspacing="10" style="height: 100px;text-align: center;" >
<tbody>