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import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class Trie {
private Vertex root;// 一个Trie树有一个根节点
// 内部类
protected class Vertex {// 节点类
protected int words;
protected int prefixes;
protected Vertex[] edges;// 每个节点包含26个子节点(类型为自身)
Vertex() {
words = ...
<project xmlns="http://maven.apache.org/POM/4.0.0 "
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance "
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0http://maven.apache.org/maven-v4_0_0.xsd ">
<!--父项目的坐标。如果项目中没有规定某个元素的值，那么父项目中的对应值即为项 ...
package com.yihaodian.testBDB;
import java.io.File;
import com.sleepycat.je.Database;
import com.sleepycat.je.DatabaseConfig;
import com.sleepycat.je.DatabaseEntry;
import com.sleepycat.je.DatabaseException;
import com.sleepycat.je.Environment;
import com.sleepycat.je.EnvironmentConfig;
import com. ...
List<String> res1 = new ArrayList<String>();
try {
// 根据网卡取本机配置的IP，适用于Windows和Linux
Enumeration netInterfaces = NetworkInterface.getNetworkInterfaces();
while (netInterfaces.hasMoreElements()) {
NetworkInterface ni = (NetworkInterface) netInterfaces.nextElement();
E ...
★ 数组转Collection
使用Apache Jakarta Commons Collections：
1. import org.apache.commons.collections.CollectionUtils;
2.
3. String[] strArray = {"aaa", "bbb", "ccc"};
4. List strList = new ArrayList();
5. Set strSet = new HashSet();
6. Collec ...