public class GenerateSampleData { public void select() { String sql=""; Connection con = null; CallableStatement callAble=null; try{ Class.forName("com.mysql.jdbc.Driver"); String url="jdbc:mysql://lo

import java.io.File; import java.io.FileInputStream; import javax.xml.parsers.DocumentBuilder; import

import java.math.BigDecimal; import java.text.DecimalFormat; public class ChinaNumber { private static

import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream;

日期类 * @version 1.0 */ import java.util.*; import java.text.*; import java.util.Calendar; public class

Java网络请求工具类(依赖：org.apache.http;注：HttpClient 4.4,HttpCore 4.4) 到此处可以去下载依赖包：http://hc.apache.org/downloads

输出，我们可以有好几种方法： package org.andy.test; import java.util.ArrayList; import java.util.List; /** * @author andy * @version：2015-2-4

package com.page; public class PageUtil { // 每页显示的条数 private int pageSize; // 总共的条数 private int recordCount; // 当前页面 private int currentPage; public PageUtil(int pageSize, int recordCount, int current

import java.util.Arrays; import javax.crypto.Cipher; import javax.crypto.SecretKey; import javax.crypto

toDate());// Tue Apr 28 21:00:28 CST 2015 写了2个方法，用于处理： 1.比较2个日期大小(只比较年月日部分) /** * 对2个日期进行比较，无论是从数据库中取出的date，还是new的 * @param

用于校验一个字符串是否是合法的JSON格式 * */ import java.text.CharacterIterator; import java.text.StringCharacterIterator;

import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java

import java.util.Arrays; import java.util.Random; public class QuickSort { public static final Random

package dec; import java.util.Properties; import javax.mail.Message; import javax.mail.MessagingException;

import java.util.LinkedList; import java.util.Objects; /** * 基数排序的思想是多关键字排序 * @author yuncong * */ public

import java.awt.BasicStroke; import java.awt.Color; import java.awt.Graphics2D; import java.awt.Image;

import java.io.BufferedReader; import java.io.InputStreamReader; import java.net.URL; import java.security

冒泡排序 public class BubbleSort { public static int[] bubbleSort(int[] array) { if (array == null) { return null; } for (int i = 0; i < array.length; i++) { for (int j = i + 1; j < array.length; j++) { i

import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.Rectangle; import

URL url = new URL(Config.local + "/excel/" + name); HttpURLConnection httpConnection = (HttpURLConnection) url.openConnection(); // 设置请求信息 httpConnection.setRequestProperty("GET", "/down.zip HTTP/1.1"