myeclipse×¢²á»ú,javaдµÄÊÊÓÃÓÚËùÓа汾
import java.io.*;
public class Test {
public static String convert(String s) {
if (s == null || s.length() == 0)
return s;
byte abyte0[] = s.getBytes();
char ac[] = new char[s.length()];
int i = 0;
for (int k = abyte0.length; i < k; i++) {
int j = abyte0[i];
if (j >= 48 && j <= 57)
j = ((j - 48) + 5) % 10 + 48;
else if (j >= 65 && j <= 90)
j = ((j - 65) + 13) % 26 + 65;
else if (j >= 97 && j <= 122)
j = ((j - 97) + 13) % 26 + 97;
ac[i] = (char) j;
}
return String.valueOf(ac);
}
private static int hash(String s) {
int i = 0;
char ac[] = s.toCharArray();
int j = 0;
for (int k = ac.length; j < k; j++)
i = 31 * i + ac[j];
&n
Ïà¹ØÎĵµ£º
ÏßÐÔ±í£¬Á´±í£¬¹þÏ£±íÊdz£ÓõÄÊý¾Ý½á¹¹£¬ÔÚ½øÐÐJava¿ª·¢Ê±£¬JDKÒѾΪÎÒÃÇÌṩÁËһϵÁÐÏàÓ¦µÄÀàÀ´ÊµÏÖ»ù±¾µÄÊý¾Ý½á¹¹¡£ÕâЩÀà¾ùÔÚjava.util°üÖС£±¾ÎÄÊÔͼͨ¹ý¼òµ¥µÄÃèÊö£¬Ïò¶ÁÕß²ûÊö¸÷¸öÀàµÄ×÷ÓÃÒÔ¼°ÈçºÎÕýȷʹÓÃÕâЩÀà¡£
Collection
©ÀList& ......
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class Lunar {
private int year;
private int month;
private int day;
private boolean leap;
......
Ã²ËÆ±È½Ï¶à£¬²»¹ý¶à¶®µã£¬Ò²Ã»Ê²Ã´²»ºÃ¡£
1¡¢ÊìϤjdbc£¬»áÓÃjdbc¡£
2 »áдsqlºÍ´æ´¢¹ý³Ì¡£
3¡¢ÊìϤswing¿Ø¼þ¡¢²»¹ý²»½¨ÒéÓÃswing¿ª·¢¿Í»§¶Ë
4 ÊìϤ swt£¬rcp ¿Í»§¶Ë£¬½¨ÒéÓÃrcp¿ª·¢¿Í»§¶Ë
5 ÊìϤjsp servlet
6 ÊìϤtomcat£¬ÖÁÉÙÖªµÀweb¡£x ......
Java ÖÐµÄ keytool.exe £¨Î»ÓÚ JDK\Bin Ŀ¼Ï£©¿ÉÒÔÓÃÀ´´´½¨Êý×ÖÖ¤Ê飬ËùÓеÄÊý×ÖÖ¤ÊéÊÇÒÔÒ»ÌõÒ»Ìõ(²ÉÓñðÃûÇø±ð)µÄÐÎʽ´æÈëÖ¤Êé¿âµÄÖУ¬Ö¤Êé¿âÖеÄÒ»ÌõÖ¤Êé°üº¬¸ÃÌõÖ¤ÊéµÄ˽Կ£¬¹«Ô¿ºÍ¶ÔÓ¦µÄÊý×ÖÖ¤ÊéµÄÐÅÏ¢¡£Ö¤Êé¿âÖеÄÒ»ÌõÖ¤Êé¿ÉÒÔµ¼³öÊý×ÖÖ¤ÊéÎļþ£¬Êý×ÖÖ¤ÊéÎļþÖ»°üÀ¨Ö÷ÌåÐÅÏ¢ºÍ¶ÔÓ¦µÄ¹«Ô¿¡£
KeytoolÊÇÒ»¸öJavaÊý¾ÝÖ ......