最新!!!!!!!!!!!!!!!!!!!!!11 当我在DOC下运行java ClientService 27 28报错java.lang.IllegalArgumentException: illegal length or offset请问是什么错误?????????? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 //客户机端程序import java.io.*;import java.net.*;public class ClientService{ public static void main( String args[]) { String host="localhost"; DatagramSocket UDPClientSocket; //用于发送接受UDP DatagramPacket ClientPacket; //用于保存UDP 的内容 InetAddress RemoteHost; int RemotePort; byte dataBuf[] = new byte[512]; String Datagram,s; if ( args.length < 2 ) { System.out.println("请输入本地端口号,服务器端口号"); System.exit(0); } try{ UDPClientSocket = new DatagramSocket(Integer.parseInt(args[0])); RemoteHost = InetAddress.getByName(host); RemotePort = Integer.parseInt( args[1] ); Datagram = new String("This mail is from " + InetAddress.getLocalHost().getHostName() + ", give me a receipt\n if you can receive it, Thank you!"); dataBuf = Datagram.getBytes(); ClientPacket= new DatagramPacket( dataBuf, Datagram.length, RemoteHost, RemotePort); UDPClientSocket.send( ClientPacket ); // 向远程服务器发出信息 for(int i=0;i<512;i++) dataBuf[i]=0; UDPClientSocket.receive( ClientPacket );//接收远程主机的返回信息 Datagram = new String( ClientPacket.getData()); System.out.println("从远程服务器主机" + host + "收到如下应答信息:"); System.out.println( Datagram ); UDPClientSocket.close(); }//try catch( Exception e ) { System.err.println( e ); } }} java平台编码疑问 请问! 有没有直接把二进制表示转化成int 值的函数 java+netbeans编一个ping的小程序,请高手指教 急!如何不用interrupt从线程外部终止一个线程? 我想学习JAVA但不知道怎么学啊? javamail自带的DEMO问题 字符串的排序>>>>>>>>今天的机试题,把俺难住了!大虾帮忙啊! Vector问题 大家考SCJP的时候都用的什么书?现在市面上有三本书,谁用过的话,评价一下吧!谢谢! 访问servlet为什么会提下载? 新手求教
import java.io.*;
import java.net.*;
public class ClientService
{
public static void main( String args[])
{
String host="localhost";
DatagramSocket UDPClientSocket; //用于发送接受UDP
DatagramPacket ClientPacket; //用于保存UDP 的内容
InetAddress RemoteHost;
int RemotePort;
byte dataBuf[] = new byte[512];
String Datagram,s;
if ( args.length < 2 )
{
System.out.println("请输入本地端口号,服务器端口号");
System.exit(0);
}
try{
UDPClientSocket = new DatagramSocket(Integer.parseInt(args[0]));
RemoteHost = InetAddress.getByName(host);
RemotePort = Integer.parseInt( args[1] );
Datagram = new String("This mail is from "
+ InetAddress.getLocalHost().getHostName()
+ ", give me a receipt\n if you can receive it, Thank you!");
dataBuf = Datagram.getBytes();
ClientPacket= new DatagramPacket( dataBuf, Datagram.length, RemoteHost, RemotePort);
UDPClientSocket.send( ClientPacket ); // 向远程服务器发出信息
for(int i=0;i<512;i++) dataBuf[i]=0;
UDPClientSocket.receive( ClientPacket );//接收远程主机的返回信息
Datagram = new String( ClientPacket.getData());
System.out.println("从远程服务器主机" + host + "收到如下应答信息:");
System.out.println( Datagram );
UDPClientSocket.close();
}//try
catch( Exception e ) {
System.err.println( e );
}
}
}