import java.net.*;
public class abnormity
{
public static void main(String args[]) throws IOException
{
try
{
ServerSocket s=new ServerSocket(8080);
}
catch(IOException e)
{
throw e;
}
}
}
为何运行时会弹出一个奇怪的窗口,这道程序明明没错啊,刚入门,麻烦不厌其烦咯,呵呵,谢谢。
public class abnormity
{
public static void main(String args[]) throws IOException
{
try
{
ServerSocket s=new ServerSocket(8080);
}
catch(IOException e)
{
throw e;
}
}
}
为何运行时会弹出一个奇怪的窗口,这道程序明明没错啊,刚入门,麻烦不厌其烦咯,呵呵,谢谢。
还有,建议类名,首字母用大写的,呵呵~
这个有时候是需要的,为了打日志或是action调用这个类然后把异常显示在页面上
import java.net.ServerSocket;public class abnormity {
public static void main(String args[]) throws IOException {
try {
ServerSocket s = new ServerSocket(8080);
} catch (IOException e) {
throw e;
}
}
}JVM会帮你捕获如下错误:Exception in thread "main" java.net.BindException: Address already in use: JVM_Bind
at java.net.PlainSocketImpl.socketBind(Native Method)
at java.net.PlainSocketImpl.bind(Unknown Source)
at java.net.ServerSocket.bind(Unknown Source)
at java.net.ServerSocket.<init>(Unknown Source)
at java.net.ServerSocket.<init>(Unknown Source)
at abnormity.main(abnormity.java:8)