小小帅码农的博客

闲来无事写一个多线程PING IP+端口号的demo，希望可以得到大家的指教，如有不足请指出，万分感谢！！！ package com.card.test; import java.io.IOException; import java.net.InetSocketAddress; import java.net.Socket; import java.net.SocketAddres

package mutithreaddown; import java.io.File; import java.io.FileInputStream; import java.io.RandomAccessFile; import java.util.concurrent.CountDownLatch; public class MutiThreadDownLoad2 { /**

package mutithreaddown; import java.io.InputStream; import java.io.RandomAccessFile; import java.net.HttpURLConnection; import java.net.URL; import java.util.concurrent.CountDownLatch; public class