Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Éú³Émyeclipse×¢²áÂëµÄjava³ÌÐò´úÂë

   ½ñÍíÔÚ¹äCSDNµÄʱºò·¢ÏÖÁË£¬ÓÐÈËÓÃjavaдÁËÉú³Émyeclipse×¢²áÂëµÄ´úÂ룬ËùÒԾͳ­Â¼ÁËÏÂÀ´¡£ o(∩_∩)o ¹þ¹þ
   package gggg;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class MyEclipseGen {
private static final String LL = "Decompiling this copyrighted software is a violation of both your license agreement and the Digital Millenium Copyright Act of 1998 (http://www.loc.gov/copyright/legislation/dmca.pdf). Under section 1204 of the DMCA, penalties range up to a $500,000 fine or up to five years imprisonment for a first offense. Think about it; pay for a license, avoid prosecution, and feel better about yourself.";
public String getSerial(String userId, String licenseNum) {
java.util.Calendar cal = java.util.Calendar.getInstance();
cal.add(1, 3);
cal.add(6, -1);
java.text.NumberFormat nf = new java.text.DecimalFormat("000");
licenseNum = nf.format(Integer.valueOf(licenseNum));
String verTime = new StringBuilder("-").append(
new java.text.SimpleDateFormat("yyMMdd").format(cal.getTime()))
.append("0").toString();
String type = "YE3MP-";
String need = new StringBuilder(userId.substring(0, 1)).append(type)
.append("300").append(licenseNum).append(verTime).toString();
String dx = new StringBuilder(need).append(LL).append(userId)
.toString();
int suf = this.decode(dx);
String code = new StringBuilder(need).append(String.valueOf(suf))
.toString();
return this.change(code);
}
private int decode(String s) {
int i;
char[] ac;
int j;
int k;
i = 0;
ac = s.toCharArray();
j = 0;
k = ac.length;
while (j < k) {
i = (31 * i) + ac[j];
j++;
}
return Math.abs(i);
}
private String change(String s) {
byte[] abyte0;
char[] ac;
int i;
int k;
int j;
abyte0 = s.getBytes();
ac = new char[s.length()];
i = 0;
k = abyte0.length;


Ïà¹ØÎĵµ£º

java»ñÈ¡µ±Ç°Â·¾¶

1¡¢ÀûÓÃSystem.getProperty()º¯Êý»ñÈ¡µ±Ç°Â·¾¶£º 
System.out.println(System.getProperty("user.dir"));//user.dirÖ¸¶¨Á˵±Ç°µÄ·¾¶ 
2¡¢Ê¹ÓÃFileÌṩµÄº¯Êý»ñÈ¡µ±Ç°Â·¾¶£º 
File directory = new File("");//É趨Ϊµ±Ç°Îļþ¼Ð 
try{ 
    System.out.println(directory.get ......

java »ñÈ¡½ñÌìÐÇÆÚ¼¸

package com;
import java.util.*;
public class WhatDay {
 public static void main(String[] args) {
  Calendar c = Calendar.getInstance();
  c.setTime(new Date(System.currentTimeMillis()));
  int dayOfWeek = c.get(Calendar.DAY_OF_WEEK);
  switch (dayOfWeek) {
  ca ......

JAVAÓïÑÔѧУµÄΣÏÕÐÔ

    ÉÏѧʱºÜ¶àÎÊÌâµÄ´ð°¸£¬¿ÉÒÔ´ÓÏÂÎÄÕÒµ½
    JAVAÓïÑÔѧУµÄΣÏÕÐÔ
    ×÷ÕߣºJoel Spolsky
    ÒëÕߣºÈîÒ»·å
    Ô­ÎÄ£º http://www.joelonsoftware.com/articles/ThePerilsofJavaSchools.html
    ÒëÎĵØÖ·£ºhtt ......

JavaʵÏÖÊý×éÐÎʽµÄ¶àÏîʽ¼Ó·¨¡¢¼õ·¨¡¢³Ë·¨¡¢Ïà³ýÔËËã

javaʵÏֵĶàÏîʽ¼Ó·¨£¬¼õ·¨£¬³Ë·¨£¬³ý·¨ÔËË㣬ÆäÖжàÏîʽµÄ±íʾÐÎʽΪ°´Ãݴӵ͵½¸ßµÄϵÊýÊý×飬Êý×éµÄ³¤¶È¼´ÊǶàÏîʽµÄÃÝ
¼´ Êý×é{1,2,3,4}  ±íʾ¶àÏîʽ4x3+3x2+2x+1
ÔËËãÔÚ¹¤¾ßÀàPolynÖнøÐÐ ³õʼ»¯Polyn±ØÐëÒª´«Á½¸ö²ÎÊý ¼´±»³ýÊýºÍ³ýÊý
ÆäÖмӷ¨£¬¼õ·¨ºÍ³Ë·¨ÊǾ²Ì¬·½·¨ ²»ÐèʵÀý¼´¿ÉʹÓÃ
³ý·¨ÐèÒª²úÉúÉ̺ÍÓàÊ ......

base64µÄjavaʵÏÖ·½·¨

package cn.eshore.mismp.sms.ws.send;
public class Base64 {
/**
* ½«Ô­Ê¼Êý¾Ý±àÂëΪbase64±àÂë
*/
static public char[] encode(byte[] data) {
char[] out = new char[((data.length + 2) / 3) * 4];
for (int i = 0, index = 0; i < data.length; i += 3, index += 4) {
boolean quad = false ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ