venceinfo的专栏

a"; String ret = split(str, 4); System.out.println(ret); } /** * 编程：编写一个截取字符串的函数，输入为一个字符串和字节数，输出为按字节截取的字符串。 * 但是要保证汉字不被截半个，如“我ABC”4，应该截为“我AB”，输入“我ABC汉DEF”， * 6，应该输出为“我ABC”而不是“我ABC+汉的半个”。 */ public static String split(String

g, "UTF-8"); native2ascii -encoding gb2312 config_zh.txt config_zh.properties ------------------------------------------------------------------------------------------- //标准的关闭操作 finally { if(null != in) { try { in.close(); }

void main(String[] args) { String[] strArray = { "a", "b", "c", "a", "b" }; String[] intArray = { "1", "3", "4", "5" }; Map map = mergeArray(strAr

.nio.channels.FileChannel; //多个并发线程可安全地使用文件通道。可随时调用关闭方法， public class CPFile { public static void main(String[] args) throws Exception { // cpFile(); // renameFile(); cpDir(new File("d:\\back"), new File("d:\\cc\\dd"))

se; public class InnerSerialDemo extends TestCase implements Serializable { public void testSerial() { ByteArrayOutputStream bos = new ByteArrayOutputStream(); try { ObjectOutputStream oos = new ObjectOutputStream(bos); oos.wri

Interface extends Remote { public String sayHello() throws RemoteException; } package interview.rmi; import java.rmi.RemoteException; import java.rmi.server.UnicastRemoteObject; /** * 第2步：接口实现类，也就是真正的服务端 * 要求：继承UnicaseRemoteObject是最简单的方

// 线程集合 private ArrayList threads = new ArrayList(); // 任务集合 private LinkedList<Task> tasks = new LinkedList<Task>(); private static final ThreadPool2 iNSTANCE = new ThreadPool2(); public static ThreadPool2 get

hreads = new ArrayList<Worker>(NUM_THREAD); private static final ThreadPool iNSTANCE = new ThreadPool(); public static ThreadPool getInstance() { return iNSTANCE; } /** * 进行初始化工作 */ private ThreadPool() { for (

static void main(String[] args) { // call("javac"); call("cmd.exe /C dir"); // 不支持该方法 } public static void call(String cmd) { // Runtime rt = Runtime.getRuntime(); Process pro = null; try { // pro = rt

c void main(String[] args) { call("javac"); call("cmd.exe /C dir"); } public static void call(String cmd) { Runtime rt = Runtime.getRuntime(); Process pro = null; try { pro = rt.exec(cmd); // ====

entType("image/jpeg"); response.setHeader("Pragma", "No-cache"); response.setHeader("Cache-Control", "no-cache"); response.setDateHeader("Expires", 0); HttpSession session = request.ge