Operation6.java

package com.myfirstjava.program;

import java.net.*;
import java.io.*;

//Omer Mohammed Abbas-om17102
//om17102@auis.edu.krd

public class Operation6 { //Server 5
    public static void main(String[] args) {
        int portNumber = 5252;
        try {
            ServerSocket serverSocket = new ServerSocket(portNumber);
            Socket conn = serverSocket.accept();
            InputStream in = conn.getInputStream();
            OutputStream out = conn.getOutputStream();
            DataInputStream din = new DataInputStream(in);
            DataOutputStream dout = new DataOutputStream(out);
            do {
                String txt = din.readUTF();
                System.out.println(txt);    
                txt = txt.toLowerCase();
                char[] chars = txt.toCharArray();
                int count = 0;
                for (int i = 0; i <txt.length(); i++) {
                    if (txt.charAt(i) == 'u') {
                        count++;
                    }
                }
                System.out.println("Total no of vowels (u) in string are: " + count);
                int counter = 0;
                char ch[] = new char [txt.length()];
                for (int i =0; i < txt.length(); i++) {
                    ch[i]= txt.charAt(i);  
                     if( ((i>0)&&(ch[i]!=' ')&&(ch[i-1]==' ')) || ((ch[0]!=' ')&&(i==0)) ) { 
                         counter++;  
                     }
                }
                System.out.println("number of words: " + counter);
                dout.writeInt(count);
                dout.writeInt(counter); 
                dout.flush();            
            } while(true);
        } catch (Exception e) {
            System.err.println(e.getMessage());
        }
    }
}