随笔分类 -  Java

摘要：创建web应用程序 命令模板： mvn archetype:generate -DgroupId={project-packaging} -DartifactId={project-name} -DarchetypeArtifactId=maven-archetype-webapp -DinteractiveMode=false如：mvn archetype:generate -DgroupI... 阅读全文

摘要：引用： http://blog.csdn.net/zzqkillyou/article/details/7388690//Javaimport java.util.*;public class Main{ public static int[] shuffle(int[] arr) { int count = arr.length; int[] arr2 = new int[count]; int randCount = 0; //统计已抽取的个数 int position = 0; //随机到的索引 int k = 0; //目标... 阅读全文

摘要：javapublic class Hello{ public static int binarySearch(int[] a, int key) { int lo=0, hi = a.length-1; while(lo <= hi) { int mid = lo + (hi - lo) / 2; if(key < a[mid]) hi = mid-1; else if(key > a[mid]) lo = mid+1; else return mid; } return -1; } public static vo... 阅读全文

摘要：public class Hello{ private static void quickSort(int data[], int low, int hight) { int i=low,j=hight; int mid=data[(low+hight)/2]; while(i <= j) { while(data[i]<mid) i++; while(data[j]>mid) j--; if(i<=j) { int temp = data[i]; data[i] = data[j]; data[j] = t... 阅读全文

摘要：package com.temp;import java.util.ArrayList;public class PolymorphismTest{ /** * @param args */ public static void main(String[] args) { ArrayList<Human> persons = new ArrayList<Human>(); persons.add(new Male()); persons.add(new Female()); ... 阅读全文

摘要：来源：http://www.cnblogs.com/whgw/archive/2011/10/05/2199535.htmlJava中单利模式有三种： 懒汉式、饿汉式、登记试饿汉式：public class Singleton { private Singleton() {} private static Singleton instance = new Singleton(); public static Singleton getInstance() { return instance; }}懒汉式：public class Singleton { ... 阅读全文

摘要：原帖在：http://www.coo8ger.com/?p=141服务器端代码：import java.io.*;import java.net.*;public class MyServer { public static void main(String[] args) throws IOException { ServerSocket server = new ServerSocket(5678); Socket client = server.accept(); BufferedReader in = new BufferedReader... 阅读全文