java ·ÖÒ³
¹Ø¼ü×Ö: java·ÖÒ³´úÂëʵÀý
package com.hjf.web.view;
public class PageUtil ...{
private int pageSize;//ÿҳÏÔʾµÄÌõÊý
private int recordCount;//×ܹ²µÄÌõÊý
private int currentPage;//µ±Ç°Ò³Ãæ
public PageUtil(int pageSize, int recordCount, int currentPage) ...{
this.pageSize = pageSize;
this.recordCount = recordCount;
setCurrentPage(currentPage);
}
//¹¹Ôì·½·¨
public PageUtil(int pageSize, int recordCount) ...{
this(pageSize, recordCount, 1);
}
//×ÜÒ³Êý
public int getPageCount() ...{
int size = recordCount/pageSize;//×ÜÌõÊý/ÿҳÏÔʾµÄÌõÊý=×ÜÒ³Êý
int mod = recordCount % pageSize;//×îºóÒ»Ò³µÄÌõÊý
if(mod != 0)
size++;
return recordCount == 0 ? 1 : size;
}
//°üº¬£¬ÆðʼË÷ÒýΪ0
public int getfromIndex() ...{
//System.out.println("from index:"+(currentPage-1) * pageSize)
Ïà¹ØÎĵµ£º
°üÊÇJavaÓïÑÔÌṩµÄÒ»ÖÖÇø±ðÀàÃû×ÖÃüÃû¿Õ¼äµÄ»úÖÆ£¬ËüÊÇÀàµÄÒ»ÖÖÎļþ×éÖ¯ºÍ¹ÜÀí·½Ê½¡¢ÊÇÒ»×鹦ÄÜÏàËÆ»òÏà¹ØµÄÀà»ò½Ó¿ÚµÄ¼¯ºÏ¡£Java packageÌṩÁË·ÃÎÊȨÏÞºÍÃüÃûµÄ¹ÜÀí»úÖÆ£¬ËüÊÇJavaÖкܻù´¡È´Óַdz£ÖØÒªµÄÒ»¸ö¸ÅÄî¡£
Ò»¡¢°üµÄ×÷ÓÃ
1 °Ñ¹¦ÄÜÏàËÆ»òÏà¹ØµÄÀà»ò½Ó¿Ú×éÖ¯ÔÚͬһ¸ö°üÖУ¬·½±ãÀàµÄ²éÕÒºÍʹÓá£
2 Èçͬ ......
public class Test4 {
public int binarySearch(int[] items, int value){
int startIndex = 0;
int stopIndex = items.length - 1;
int middle = (int)Math.flo ......
µÚÒ»´ÎдÕâÑùµÄ²©¿Í£¬¸Ð¾õ×Ô¼º×öµÄÓеãÏñ±Ê¼Ç£¬²»¹ý±¾À´¾ÍÊDZʼǣ¬ÎÒ×ö±Ê¼ÇÒ»°ã¶¼Êǰѱ¾À´²»ÖªµÀµÄ£¬¸Ð¾õÓÐÓõÄдÏÂÀ´£¬¶øÇÒÎÒÒ²Ò»°ãÓÃÓëÀÏʦ½Ó½üµÄÓï¾äдÏÂÀ´£¬±ÜÃâ×Ô¼ºµÄÎó½âµ¼Ö´íÎó¡£
Õâ´ÎÎÒ¿´ÁË¡¶´«ÖDz¥¿Í_ÕÅТÏé_Java»ù´¡1_Java¿ª·¢Ç°×à¡·Õâ¸ö¿Î³Ì¡£
1.ÀÏʦ˵JAVAµÄµÚÒ»¸öÌØµãÊǔһ´Î±àÒ룬µ½´¦ÔËÐГ£¬ ......
·½·¨¾ÍÊÇÒ»¶Î¿ÉÖØ¸´µ÷ÓõĴúÂë¶Ë
·½·¨µÄ¶¨ÒåÔÚJavaÖÐÓжàÖÖÐÎʽ£¬
ÏÖÔÚµÄÎÒËù˵µÄ·½·¨¾ÍÊÇÖ¸¿ÉÒÔÓÃmain·½·¨Ö±½ÓÈ¥µ÷Óõķ½·¨¡£
public class JavaDemo06
{
public static void main(String args[])
{
printTab() ;
}
// ¶¨ÒåÒ»¸ö·½·¨£¬´Ë·½·¨ÓÃÓÚ´òÓ¡Hello World
// public static±ØÐë¼ÓÉÏ£¬ÒòΪÊÇÓ ......
1 ×Ö·û´®±È½ÏÊÇ·ñÏàµÈÓÃʲô·½·¨£¿
2 equals£¨£©ºÍhashCode£¨£©µÄÇø±ð£¿
3 forwardºÍsenRedirectÇø±ð£¿
4 servletÉúÃüÖÜÆÚ£¿
5 ¹ýÂËÆ÷µÄ×÷ÓÃ
6 JSP°üº¬¾²Ì¬ÎļþµÄÓï·¨
7 JSP×¢ÊÍ£¨ÖÁÉÙÁ½¸öÒÔÉÏ£©
8 tableÖÐborder£¬cellpadding,tdÖÐcolspan,rowspanµÄÒâÒå
9 jsÈýÖÖµ¯³ö´°¿Ú a ¾¯¸æ b È·ÈÏ c ÐÅÏ¢ ......