Client

package compNetworksProject;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.Scanner;

public class client {

    public static void main(String[] args) throws IOException, InterruptedException {

        int PORT = 4444;
        String SERVER_IP = "127.0.0.1";
        Socket socket = new Socket(SERVER_IP, PORT);	// network socket created

        Scanner scanner = new Scanner(System.in);
        
        BufferedReader input = new BufferedReader(new InputStreamReader(socket.getInputStream()));	// object created to query
        BufferedReader keyboard = new BufferedReader(new InputStreamReader(System.in));				// object created to intake server info
        PrintWriter out = new PrintWriter(socket.getOutputStream(), true);							// object created to output server info

        while (socket.isConnected()) {		// while loop when socket is connected

            System.out.println("***Please enter a number to execute a command*** \n"
                    + "1. Date and Time - show the date and time on the server.\n"
                    + "2. Uptime - shows how long server has been running since last boot-up.\n"
                    + "3. Memory Use - shows the current memory usage on the server.\n"
                    + "4. Netstat - lists network connections on the server.\n"
                    + "5. Current Users - list of users currently connected to the server.\n"
                    + "6. Running Processes - list of programs currently running on the server.\n"
                    + "7. Test Response\n"
                    + "Type Exit to leave server\n");

            // query for command
            System.out.printf("Selection: ");
            String userInput = keyboard.readLine();

            if (userInput.toLowerCase().equals("exit")) {
            	
                out.println(userInput);
                System.out.println("Disconnected.");
                socket.close();
                break;
            }

            System.out.println("Enter number of requests."); // choose number of requests to be made
            int numRequests = scanner.nextInt();
            
            System.out.println("Enter number of threads.");  // choose number of threads
            int numThreads = scanner.nextInt();
            System.out.println();

            long startTime = System.nanoTime();				 // initializing timer

            class theThreads extends Thread {				 // class to execute threads
            	
                private String choice;
                private int threadNumber;
                private int numRequests;

                public theThreads (int threadNumber, int numRequests, String choice) {
                	
                    this.threadNumber = threadNumber;
                    this.numRequests = numRequests;
                    this.choice = choice;
                } // end theThreads() 
                
                @Override
                public void run() {
                	
                    for (int i = 1; i <= numRequests; i++) {
                    	
                        out.println(userInput);
                        String serverResponse = null;
                        
                        try {
                        	
                            serverResponse = input.readLine();
                            
                        } catch (IOException e) {
                        	
                            e.printStackTrace();
                            
                        }
                        System.out.println(serverResponse);
                    }
                } // end run()
            }

            for (int i = 1; i <= numThreads; i++) {
            	
                theThreads myThing = new theThreads(i, numRequests, userInput);
                myThing.start();
                myThing.join();
                
            } // final calculation of time threads take to complete
            
            long endTime = System.nanoTime();
            long totalTime = (endTime - startTime) / 1000000000;
            System.out.println();
            System.out.println("Process took " + totalTime + " seconds.\n");

        } // end while loop when socket disconnects

    } // end main()

} //end client class