yaps -Tcp and Udp simple port scanneer

 //--------------------------------------------------------------
// YAPS - Yet Another Port Scanner
//Developed by: Sygoon of CPC-DEV http://www.cpc-net.org
//Contact: scrumped0000@hotmail.com
//Disclaimer: You may modify any peice of this code but this
//header cannot be removed, however you can add to the header
//just not modify the above^^^^^^^^^^^^ thanx.
//--------------------------------------------------------------
 import java.net.*;
 public class yaps{
    
    static String HOST;
    static int TYPE, MAX_PORT, MIN_PORT, CUR_PORT;
     public yaps() {
}
     public static void main(String[] args){
        
        if(args.length != 4){
            // Checks to see if there is correct info here
            System.out.println("yaps - Created by Sygoon of CPC-DEV @ www.cpc-net.org");
            System.out.println("Usage: yaps host low_port high_port type_flag");
            System.exit(1);
            
        }else{
            
            //Now Taking the arguments and changing them into integers
            //The Try statment is here for error checking, Catch is used for
            //just in case sothing fails it will display an error message
            
            try{
                
                HOST=args[0];
                
            }catch(Exception e){
                
                System.out.println("Ummmm Somthings really wrong if this error comes up.");
            
            }
            
            try{
                
            MIN_PORT = Integer.parseInt(args[1]);
            
          }catch(Exception e){
              
              System.out.println("Error converting MAX_PORT to integer value");
          
          }
         
          try{
              
            MAX_PORT = Integer.parseInt(args[2]);
        
        }catch(Exception e){
            
            System.out.println("Error converting LOW_PORT to integer value");
        
        }
            
            try{
            
            TYPE = Integer.parseInt(args[3]);
        }catch(Exception e){
    
        System.out.println("Error converting TYPE to inger value");
    
        }
        
    
    //this is where the scan starts
    
    System.out.println("yaps - Created by Sygoon of CPC-DEV @ www.cpc-net.org");
    System.out.println("Starting scan on " + HOST + " from " + MIN_PORT + " to " + MAX_PORT);
    
    if(TYPE < 1){
    
    for(MIN_PORT = MIN_PORT; MIN_PORT <= MAX_PORT; MIN_PORT++){
        //checks to see if the host has any ports open with try and catch if its closed
        //then the vm sends us a error and that is what catch does it just tells the
        //user what is wrong
        try{
    
            new Socket(HOST, MIN_PORT);
            System.out.println("Port " + MIN_PORT + " is open");
        
        }catch(Exception e){
            
            System.out.println("Port " + MIN_PORT + " is closed");
        
        }
    
    }
    
    }else{
    
    for(MIN_PORT = MIN_PORT; MIN_PORT <= MAX_PORT; MIN_PORT++){
        
        try{
            //i have a feeling that this is buggy im working on setting a time out
            // i think without the time out it wont give he host enough time to respond
            new DatagramSocket(MIN_PORT, InetAddress.getByName(HOST));
            System.out.println("Port " + MIN_PORT + " is open");
            
        }catch(Exception e){
            
            System.out.println("Port " + MIN_PORT + " is closed");
        
        }
    }
}
    
}
    //Exiting the proggie
    System.exit(0);
}
}