Proxy server in Java

import java.net.* ;
import java.io.* ;
import java.lang.* ;
import java.util.* ;

class proxy {
public static void main(String args[]) throws IOException{

//parse arguments from command line

int localport = -1;
int remoteport = -1;
String remotehost = null;
boolean error = false;

int i = 0;
Integer parselocalport = new Integer(args);
Integer parseremoteport = new Integer(args[i+2]);
Socket incoming, outgoing = null;
ServerSocket Server = null;

try
{
localport = parselocalport.parseInt(args, 10);
remotehost = args[i+1];
remoteport = parseremoteport.parseInt(args[i+2], 10);
}

catch(Exception e)
{
System.err.println("Error: " + e.getMessage() + "\n");
error = true;
}
// Check for valid local and remote port, hostname not null

System.out.println("Checking: Port" + localport + " to " + remotehost + " Port " + remoteport);

if(localport <= 0){
System.err.println("Error: Invalid Local Port Specification " + "\n");
error = true;
}
if(remoteport <=0){
System.err.println("Error: Invalid Remote Port Specification " + "\n");
error = true;
}
if(remotehost == null){
System.err.println("Error: Invalid Remote Host Specification " + "\n");
error = true;
}

//If any errors so far, exit program

if(error)
System.exit(-1);


//Test and create a listening socket at proxy

try{
Server = new ServerSocket(localport);
}
catch(IOException e) {
e.printStackTrace();
}

//Loop to listen for incoming connection, and accept if there is one

while(true)
{
try{
incoming = Server.accept();
//Create the 2 threads for the incoming and outgoing traffic of proxy server
outgoing = new Socket(remotehost, remoteport);

proxyThread thread1 = new proxyThread(incoming, outgoing);
thread1.start();

proxyThread thread2 = new proxyThread(outgoing, incoming);
thread2.start();
}
catch (UnknownHostException e) {
//Test and make connection to remote host
System.err.println("Error: Unknown Host " + remotehost);
System.exit(-1);
}
catch(IOException e){
System.exit(-2);//continue;
}

/* catch (IOException e) {
System.err.println("Error: Couldn't Initiate I/O connection for " + remotehost);
System.exit(-1);
}
*/
}
}

}

import java.net.* ;
import java.io.* ;
import java.lang.* ;
import java.util.* ;

class proxyThread extends Thread {
Socket incoming, outgoing;

//Thread constructor

proxyThread(Socket in, Socket out){
incoming = in;
outgoing = out;
}

//Overwritten run() method of thread -- does the data transfers

public void run(){
byte[] buffer = new byte[60];
int numberRead = 0;
OutputStream ToClient;
InputStream FromClient;

try{
ToClient = outgoing.getOutputStream();
FromClient = incoming.getInputStream();
while( true){
numberRead = FromClient.read(buffer, 0, 50);
System.out.println("read " + numberRead);
//buffer[numberRead] = buffer[0] = (byte)'+';

if(numberRead == -1){
incoming.close();
outgoing.close();
}

ToClient.write(buffer, 0, numberRead);


}

}
catch(IOException e) {}
catch(ArrayIndexOutOfBoundsException e) {}

}

}

usage
java proxy 9999 192.168.0.1 7068