`
文章列表
一.必备包   1.commons-collections-3.2.1.jar   2.ejb3-persistence.jar   3.hibernate3.jar   4.hibernate-jpa-2.0-api-1.0.1.Final.jar   5.javassist-3.15.0-GA.jar   6.jboss-logging-3.1.0.GA.jar   7.jboss-transaction-api_1.1_spec-1.0.0.Final.jar   8.slf4j-api-1.6.1.jar   9.数据库驱动包(MySql:mysql-connector ...

算法:质数因子

一.需求描述    如:180 = 2 * 2 * 3 * 3 * 5, 则180 的质数因子就是 2 2 3 3 5   二.实现思路     1. 180 = 2 * 90   2. 180 = 2 * 2 * 45   3. 180 = 2 * 2 * 3 * 15   4. 180 = 2 * 2 * 3 * 3 * 5      由于2, 3, 5 都是质数,所以结束.   三.代码实现(List)      1. 将 180 放入 list, 此时list:[180];    2. 遍历list,判断180不是质数,则计算他的因子,并且取代他,此时li ...

算法:马拦过河卒

import java.util.HashMap; import java.util.Map; /** * 思路:到达{M,N}坐标的路径数 = 到达{M-1,N}的路径数 + 到达{M,N-1}的路径数 * 利用容器MAP,存储到达{x,y}的路径数,可以避免一些重复计算,提高效率 * * @author xiaojianhx * @date 2012-10-19 */ public class Demo { /** X坐标 */ private int maxX; /** Y坐标 */ private int ...

算法:全组合

import java.util.ArrayList; import java.util.Arrays; import java.util.List; public class Demo { private List<String> ITEM = Arrays.asList("1", "2", "3"); private int SIZE = 3; public void array() { List<String> data = new Ar ...

算法:全排列

import java.util.ArrayList; import java.util.Arrays; import java.util.List; public class Demo { private List<String> ITEM = Arrays.asList("1", "2", "3", "4", "5", "6", "7", "8", "9"); pr ...
import java.util.ArrayList; import java.util.List; public class Demo { private char ZERO = '0'; private char ZERO_CN = '零'; private String[] NUMBER = { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", &quo ...

算法:素数

public class $ { public static void main(String[] args) { for (int i = 1; i <= 100; i++) { if (i == 1) { System.out.println("1不是素数也不是合数."); continue; } if (check(i)) { System.o ...

算法:汉诺塔

public class $ { public static void main(String... _) { test('A', 'B', 'C', 3); } /** * 借助A,移动盘子:B->C * * @param a * 盘子A * @param b * 盘子B * @param c * 盘子C * @param n * ...

算法:因子

private static void test(int num) { int a = (int) Math.sqrt(num); for (int i = 2; i < a; i++) { if (num % i == 0) { System.out.println(i); } } }

算法:日历

import java.util.ArrayList; import java.util.Calendar; import java.util.List; public class $ { private static int[] DAYS = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; public static void main(String... _) { long l1 = System.currentTimeMillis(); List data ...

UNICODE写的天书

    博客分类:
  • JAVA
\u0070\u0061\u0063\u006b\u0061\u0067\u0065 \u0063\u006f\u006d\u002e\u0063\u006e\u0061\u0073\u003b \u0070\u0075\u0062\u006c\u0069\u0063 \u0063\u006c\u0061\u0073\u0073 \u0024 { \u0070\u0075\u0062\u006c\u0069\u0063 \u0073\u0074\u0061\u0074\u0069\u0063 \u0076\u006f\u0069\u0064 \u006d\u0061\u006 ...

ANT编译打包

    博客分类:
  • ANT
<?xml version="1.0" encoding="UTF-8" standalone="no"?> <project basedir="." default="JAR_COMMONS_DREAM_LANG" name="commons-dream-lang"> <property name="COMMONS-DREAM-LANG-SRC.DIR" value="src" /> ...
1.user.hbm.xml <set name="stationSet" table="T_USER_STATION" inverse="true" cascade="all" lazy="true"> <key column="I_USER_ID" /> <many-to-many column="I_STATION_ID" class="Station" /> </s ...
1.user.hbm.xml <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping package="org.ap ...
一.创建PK类 import java.io.Serializable; public class PKCode implements Serializable { private Integer code; private Integer codeType; public Integer getCode() { return code; } public void setCode(Integer code) { this.code = code; ...
Global site tag (gtag.js) - Google Analytics