Java Lab Final.docx

DEPARTMENT OF INFORMATION TECHNOLOGY 16PBIC52–PRACTICAL – JAVA PROGRAMMING YEAR 2018-2019

NAME OF THE STUDENT

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REGISTER NUMBER

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COURSE

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YEAR

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SEMESTER

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VELS VELS INSTITUTE OF SCIENCE, TECHNOLOGY AND ADVANCED STUDIES (VISTAS) Deemed to be University Estd. U/S 3 of the UGC ACT, 1956 NAAC ACCREDITED PALLAVARAM,CHENNAI

BONAFIDE CERTIFICATE

Reg.No.

This is to certify that the Bonafide Record of this Practical Work was completed by

Mr./Ms…………………………………………………..B.TECH

IN

CLOUD AND MOBILE BASED APPLICATION DEVELOPMENT the Java Programming Laboratory during the academic year of 2018-2019.

HEAD OF THE DEPARTMENT

STAFF-IN-

CHARGE

Submitted for the Practical Examination held on …………………………..

INTERNAL EXAMINER

EXTERNAL

EXAMINER

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IT in

CONTENTS Ex No

Title

Page No

01

IMPLEMENTATION OF RATIONAL NUMBERS

3

02

IMPLEMENTATION OF DATE CLASS

5

03

04

05

06

07

Date

IMPLEMENTATION OF LISP-LIKELIST IMPLEMENTATION OF JAVA INTERFACE FOR ADT STACK IMPLEMENTATION OF POLYMORPHISM IMPLEMENTATION OF OBJECT SERILIZATION IMPLEMENTATION OF SCENTIFIC CALCULATOR USING EVENT DRIVEN PROGRAMMING

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9

13

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IMPLEMENTATION OF MULTI THREADED PROGRAM

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09

PROGRAM FOR SIMPLE OPAC SYSTEM FOR LIBRARY

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10

IMPLEMENTATION OF MULTITHREADED ECHO SERVER

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3

Remarks

PROGRAM: import java.io.*; public class rat { public static void main(String[] args) { Rational a=new Rational(35,50); System.out.println("\na="+a); } } class Rational { public Rational(int num,int denum) { numerator=num; if(denum==0) denuminator=1; else denuminator=denum; makeRational(); } private void makeRational() { int gcd; int divisor=0; if(denuminator<0) { numerator=numerator*-1; denuminator=denuminator*-1; } gcd=greatestCommonDivisor(Math.abs(numerator),denuminator); numerator=numerator/gcd; denuminator=denuminator/gcd; } private int greatestCommonDivisor(int n,int d) { int remainder=n %d; while(remainder!=0) { n=d; d=remainder; remainder=n%d; } return d; } public String toString() { String result=EMPTY_STRING; if(denuminator==1) result=String.valueOf(numerator); 4

else { result=result.concat(String.valueOf(numerator)); result=result.concat("/"); result=result.concat(String.valueOf(denuminator)); } return result; } private static final String EMPTY_STRING=""; private int numerator; private int denuminator; }

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OUTPUT: C:\jdk1.6.0_17\bin>javac rat.java C:\jdk1.6.0_17\bin>java rat a=7/10

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RESULT: Thus the program Implementation of rational numbers has been successfully executed verified and successfully 7

PROGRAM:

import java.io.*; import java.util.Date; public class Dateclass { public static void main(String args[]) { Date d1=new Date(); try { Thread.sleep(10); } catch(Exception e) { } Date d2=new Date(); System.out.println("First date:"+d1); System.out.println("Second date:"+d2); System.out.println("In second date after first:"+d2.after(d1)); int result=d1.compareTo(d2); if(result>0) System.out.println("First date is after second date"); else if(result<0) System.out.println("First date is before second date"); else System.out.println("Both are equal"); Date d=new Date(365L*24L*60L*60L*1000L); System.out.println(d); System.out.println("Milli Second since jan-1-1970 00:00:00:IST:"+d.getTime()); } }

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OUTPUT: C:\ jdk1.6.0_17\bin>javac DateClass.java C:\jdk1.6.0_17\bin>java DateClass First date:Wed Sep 29 20:23:17 GMT+05:30 2010 Second date:Wed Sep 29 20:23:17 GMT+05:30 2010 In second date after first:true First date is before second date Fri Jan 01 05:30:00 GMT+05:30 1971 Milli Second since jan-1-1970 00:00:00:IST:31536000000

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RESULT: Thus the program Implementation of date class has been successfully executed verified and successfully. 10

PROGRAM: import java.util.*; class Lisp { public int car(List l) { Object ob=l.get(0); String st=ob.toString(); return Integer.parseInt(st); } public List cdr(List l) { Object ob=l.remove(0); Object obj[]=l.toArray(); List list=Arrays.asList(obj); return list; } public static void main(String[] args) { List l=new ArrayList(); l.add(3); l.add(0); l.add(2); l.add(5); Lisp L=new Lisp(); int val=L.car(l); System.out.println(val); List list=L.cdr(l); System.out.println(list); } }

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OUTPUT: C:\jdk1.6.0_17\bin>javac Lisp.java C:\jdk1.6.0_17\bin>java Lisp 3 [0, 2, 5] C:\jdk1.6.0_17\bin>

12

RESULT: Thus the program Implementation of lisp-like-list has been successfully executed verified and successfully 13

PROGRAM: import java.util.*; public class ListStack implements Stack { public ListStack() { topOfStack=null; } public boolean isEmpty() { return topOfStack==null; } public void push(Object x) { topOfStack=new ListNode(x,topOfStack); } public void pop() { if(isEmpty()) throw new UnderflowException("ListStack pop"); System.out.println(topOfStack.element+"is deleted"); topOfStack=topOfStack.next; } public void display() { DispNode=topOfStack; while(DispNode!=null) { System.out.println(DispNode.element+" "); DispNode=DispNode.next; } } public static void main(String[] args) { Scanner in=new Scanner(System.in); ListStack theList=new ListStack(); int data=10; int choice; do { System.out.println(); System.out.println("-------------------------------------------------------------------"); System.out.println("STACK IMPLEMENTATION USING LINKED LIST"); System.out.println("-------------------------------------------------------------------"); System.out.println(); System.out.println("1.PUSH"); System.out.println("2.POP"); System.out.println("3.DISPLAY"); System.out.println("4.EXIT"); 14

System.out.println("\n ENTER YOUR CHOICE:"); choice=in.nextInt(); switch(choice) { case 1: System.out.println("\n enter the element to push:"); data=in.nextInt(); theList.push(data); break; case 2: theList.pop(); break; case 3: System.out.println("the Stack elements are:"); theList.display(); break; case 4: break; default: System.out.println("wrong choice"); } } while(choice!=4); } private ListNode topOfStack; private ListNode DispNode; } class UnderflowException extends RuntimeException { public UnderflowException(String message) { super(message); } } interface Stack { void push(Object x); void pop(); void display(); boolean isEmpty(); } class ListNode { public ListNode(Object theElement) { this(theElement,null); } public ListNode(Object theElement,ListNode n) { element=theElement; next=n; 15

} public Object element; public ListNode next; }

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OUTPUT: C:\jdk1.6.0_17\bin>javac ListStack.java C:\jdk1.6.0_17\bin>java ListStack -----------------------------------------------------------------STACK IMPLEMENTATION USING LINKED LIST -----------------------------------------------------------------1. PUSH 2. POP 3. DISPLAY 4. EXIT ENTER YOUR OPTION:1 Enter the element to push:100 ------------------------------------------------------------------STACK IMPLEMENTATION USING LINKED LIST ------------------------------------------------------------------1. PUSH 2. POP 3. DISPLAY 4. EXIT ENTER YOUR OPTION:3 100 ------------------------------------------------------------------STACK IMPLEMENTATION USING LINKED LIST ------------------------------------------------------------------1. PUSH 2. POP 3. DISPLAY 4. EXIT ENTER YOUR OPTION:2 100is deleted ------------------------------------------------------------------STACK IMPLEMENTATION USING LINKED LIST ------------------------------------------------------------------1. PUSH 2. POP 3. DISPLAY 4. EXIT ENTER YOUR OPTION:3 ------------------------------------------------------------------STACK IMPLEMENTATION USING LINKED LIST ------------------------------------------------------------------1. PUSH 2. POP 3. DISPLAY 4. EXIT

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RESULT: Thus the program Implementation of java interface for ADT stack has been successfully executed verified and successfully. 18

PROGRAM: import java.io.*; public class VehicleTest { public static void main(String[] args) { Vehicle corvette=new Corvette("Corvette","red",545000); Vehicle bettle=new Bettle("Bettle","blue",445000); Vehicle porsche=new Porsche("Porsche","black",625000); Vehicle vehicle=new Vehicle(); vehicle=porsche; System.out.println("Name="+corvette.getName()+"\nColor="+corvette.getColor()+"\nP rice="+corvette.getPrice()+"\n\n"); System.out.println("Name="+bettle.getName()+"\nColor="+bettle.getColor()+"\nPrice= "+bettle.getPrice()+"\n\n"); System.out.println("Name="+porsche.getName()+"\nColor="+porsche.getColor()+"\nP rice="+porsche.getPrice()+"\n\n"); } } class Vehicle { String name; String color; double price; public Vehicle() { name=""; color=" "; price=0; } public Vehicle(String name,String color,double price) { this.name=name; this.color=color; this.price=price; } public String getName() { return name; } public String getColor() { return color; } public double getPrice() { return price; } } class Bettle extends Vehicle 19

{ public Bettle(String name,String color,double price) { super(name,color,price); } } class Corvette extends Vehicle { public Corvette(String name,String color,double price) { super(name,color,price); } } class Porsche extends Vehicle { public Porsche(String name,String color,double price) { super(name,color,price); } }

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OUTPUT: C:\jdk1.6.0_17\bin>javac VehicleTest.java C:\jdk1.6.0_17\bin>java VehicleTest Name=Corvette Color=red Price=545000.0 Name=Bettle Color=blue Price=445000.0 Name=Porsche Color=black Price=625000.0 C:\jdk1.6.0_17\bin>

21

RESULT: Thus the program Implementation of polymorphism has been successfully executed verified and successfully. 22

PROGRAM: import java.util.*; import java.io.ObjectOutput; import java.io.FileOutputStream; import java.io.ObjectOutputStream; class Rupee { public Rupee() { try { Object object=new Object(); object="45"; ObjectOutput out=new ObjectOutputStream(new FileOutputStream("Rupees.dat")); out.writeObject(object); out.close(); } catch(Exception e) { e.printStackTrace(); } } } class Dollar { public Dollar() { try { Object object=new Object(); object="45"; ObjectOutput out=new ObjectOutputStream(new FileOutputStream("Dollar.dat")); out.writeObject(object); out.close(); } catch(Exception e) { e.printStackTrace(); } } } public class Currency { public static void main(String args[]) { new Rupee(); new Dollar(); } }

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//CURRENCY TEST import java.io.FileInputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.util.ArrayList; import java.util.*; public class CurrencyTest { public static void main(String[] args) { System.out.println("Select Input Type"); System.out.println("\n1.Dollar\n2.Rupee\n\n"); Scanner input=new Scanner(System.in); int choice=input.nextInt(); if(choice==1) { System.out.println("Enter No of Dollar:"); int noDollar=input.nextInt(); String value=""; String filename="Dollar.dat"; FileInputStream fis=null; ObjectInputStream in=null; try { fis=new FileInputStream(filename); in=new ObjectInputStream(fis); value=(String)in.readObject(); in.close(); } catch(IOException ex) { ex.printStackTrace(); } catch(ClassNotFoundException ex) { ex.printStackTrace(); } System.out.println("The Equal Rupee is:"+noDollar*(Integer.parseInt(value))); System.out.println(); } else if(choice==2) { System.out.println("Enter Rupee:"); int noRupee=input.nextInt(); System.out.println("The Rupee is:"+noRupee); System.out.println(); } } }

24

OUTPUT: C:\jdk1.6.0_17\bin>javac Currency.java C:\jdk1.6.0_17\bin>java Currency C:\jdk1.6.0_17\bin>javac CurrencyTest.java C:\jdk1.6.0_17\bin>java CurrencyTest Select Input Type 1.Dollar 2.Rupee 1 Enter No of Dollar: 45 The Equal Rupee is:2025 C:\jdk1.6.0_17\bin>java CurrencyTest Select Input Type 1.Dollar 2.Rupee 2 Enter Rupee: 45 The Rupee is:45 C:\jdk1.6.0_17\bin>

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RESULT: Thus the program Implementation object serialization has been successfully executed verified and successfully. 26

PROGRAM: import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.lang.*; public class Calculator { public static void main(String[] args) { CalculatorFrame frame = new CalculatorFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); } } class CalculatorFrame extends JFrame { public CalculatorFrame() { setTitle("Calculator"); CalculatorPanel panel = new CalculatorPanel(); add(panel); pack(); } } class CalculatorPanel extends JPanel { public CalculatorPanel() { setLayout(new BorderLayout()); result = 0; lastCommand = "="; start = true; display = new JButton("0"); display.setEnabled(false); add(display, BorderLayout.NORTH); ActionListener insert = new InsertAction(); ActionListener command = new CommandAction(); panel = new JPanel(); panel.setLayout(new GridLayout(6,5)); addButton("7", insert); addButton("8", insert); addButton("9", insert); addButton("/", command); addButton("CE", command); addButton("4", insert); addButton("5", insert); addButton("6", insert); addButton("*", command); 27

addButton("m+", command); addButton("1", insert); addButton("2", insert); addButton("3", insert); addButton("-", command); addButton("m-", command); addButton("0", insert); addButton(".", insert); addButton("+/-", command); addButton("+", command); addButton("n!", command); addButton("pow", command); addButton("1/x", insert); addButton("SQRT", insert); addButton("log", insert); addButton("%", command); addButton("sin", insert); addButton("cos", insert); addButton("tan", insert); addButton("x2", insert); addButton("=", command); add(panel, BorderLayout.CENTER); } private void addButton(String label, ActionListener listener) { JButton button = new JButton(label); button.addActionListener(listener); panel.add(button); } private class InsertAction implements ActionListener { public void actionPerformed(ActionEvent event) { String input = event.getActionCommand(); if (start==true) { display.setText(""); start = false; } if(input.equals("1/x")) display.setText(""+1/Double.parseDouble(display.getText())); else if(input.equals("SQRT")) display.setText(""+Math.sqrt(Double.parseDouble(display.getText()))); else 28

if(input.equals("log")) display.setText(""+Math.log(Double.parseDouble(display.getText()))); else if(input.equals("x2")) display.setText(""+Double.parseDouble(display.getText())* Double.parseDouble(display.getText())); else if(input.equals("sin")) { Double angle=Double.parseDouble(display.getText())*2.0*Math.PI/360.0; display.setText(""+Math.sin(angle)); } else if(input.equals("cos")) { Double angle=Double.parseDouble(display.getText())*2.0*Math.PI/360.0; display.setText(""+Math.cos(angle)); } else if(input.equals("tan")) { Double angle=Double.parseDouble(display.getText())*2.0*Math.PI/360.0; display.setText(""+Math.tan(angle)); } else display.setText(display.getText() + input); } } private class CommandAction implements ActionListener { public void actionPerformed(ActionEvent event) { String command = event.getActionCommand(); if (start==true) { if (command.equals("-")) { display.setText(command); start = false; } else lastCommand = command; } else { calculate(Double.parseDouble(display.getText())); lastCommand = command; start = true; } 29

} } public void calculate(double x) { if (lastCommand.equals("+")) result += x; else if (lastCommand.equals("-")) result -= x; else if (lastCommand.equals("*")) result *= x; else if (lastCommand.equals("/")) result /= x; else if (lastCommand.equals("=")) result = x; else if (lastCommand.equals("CE")) result = 0.0; else if (lastCommand.equals("m+")) result = result; else if (lastCommand.equals("m-")) result = 0.0; else if (lastCommand.equals("pow")) { double powval=1.0; for(double i=0.0;i<x;i++) powval*=result; result=powval; } display.setText(""+ result); } private JButton display; private JPanel panel; private double result; private String lastCommand; private boolean start; }

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OUTPUT: C:\jdk1.6.0_17\bin>javac Calculator.java C:\jdk1.6.0_17\bin>java Calculator C:\jdk1.6.0_17\bin>

31

RESULT: Thus the program Implementation of scientific calculator using event driven programming has been successfully executed verified and successfully. 32

PROGRAM: import java.util.*; import java.io.*; class Fibonacci extends Thread { private PipedWriter out=new PipedWriter(); public PipedWriter getPipedWriter() { return out; } public void run() { Thread t=Thread.currentThread(); t.setName("Fibonacci:"); System.out.println(t.getName()+"Thread stored......"); int fibo1=0,fibo2=1,fibo=0; while(true) { try { fibo=fibo1+fibo2; if(fibo>100000) { out.close(); break; } out.write(fibo); sleep(1000); } catch(Exception e) { System.out.println("Fibonacci:"+e); } fibo1=fibo2; fibo2=fibo; } System.out.println(t.getName()+"Thread exiting."); } } class Prime extends Thread { private PipedWriter out1=new PipedWriter(); public PipedWriter getPipedWriter() { return out1; } public void run() { Thread t=Thread.currentThread(); 33

t.setName("Prime:"); System.out.println(t.getName()+"Thread stored......."); int prime=1; while(true) { try { if(prime>100000) { out1.close(); break; } if(isPrime(prime)) out1.write(prime); prime++; sleep(0); } catch(Exception e) { System.out.println(t.getName()+"Thread exiting."); System.exit(0); } } } public boolean isPrime(int n) { int m=(int)Math.round(Math.sqrt(n)); if(n==1||n==2) return true; for(int i=2;i<=m;i++) if(n%i==0) return false; return true; } } public class PipedIo { public static void main(String[] args)throws Exception { Thread t=Thread.currentThread(); t.setName("Main:"); System.out.println(t.getName()+"Thread sorted......"); Fibonacci fibonacci=new Fibonacci(); Prime prime=new Prime(); PipedReader fpr=new PipedReader(fibonacci.getPipedWriter()); PipedReader ppr=new PipedReader(prime.getPipedWriter()); fibonacci.start(); prime.start(); int fib=fpr.read(),prm=ppr.read(); System.out.println("The Numbers Common To PRIME and FIBONACCI:"); while ((fib!=-1)&&(prm!=-1)) { 34

while(prm<=fib) { if(fib==prm) System.out.println(prm); prm=ppr.read(); } fib=fpr.read(); } System.out.println(t.getName()+"Thread exiting."); } }

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OUTPUT: C:\jdk1.6.0_17\bin>javac PipedIo.java C:\jdk1.6.0_17\bin>java PipedIo Main:Thread sorted...... Fibonacci:Thread stored...... Prime:Thread stored....... The Numbers Common To PRIME and FIBONACCI: 1 2 3 5 13 89 233 1597 28657 Fibonacci:Thread exiting. Main:Thread exiting. Prime:Thread exiting. C:\jdk1.6.0_17\bin>

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RESULT: Thus the program Implementation of multi threaded program to find Fibonacci series has been Successfully executed and verified successfully. 37

EVENT DRIVEN: import java.sql.*; import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Datas extends JFrame implements ActionListener { JTextField id; JTextField name; JButton next; JButton addnew; JPanel p; static ResultSet res; static Connection conn; static Statement stat; public Datas() { super("Our Application"); Container c = getContentPane(); c.setLayout(new GridLayout(5,1)); id = new JTextField(20); name = new JTextField(20); next = new JButton("Next BOOK"); p = new JPanel(); c.add(new JLabel("ISBN",JLabel.CENTER)); c.add(id); c.add(new JLabel("Book Name",JLabel.CENTER)); c.add(name); c.add(p); p.add(next); next.addActionListener(this); pack(); setVisible(true); addWindowListener(new WIN()); } public static void main(String args[]) { Datas d = new Datas(); try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); conn = DriverManager.getConnection("jdbc:odbc:custo"); // custo is the DSN Name stat = conn.createStatement(); res = stat.executeQuery("Select * from Customers"); // Customers is the table name res.next(); } catch(Exception e) { System.out.println("Error" +e); } 38

d.showRecord(res); } public void actionPerformed(ActionEvent e) { if(e.getSource() == next) { try { res.next(); } catch(Exception ee) {} showRecord(res); } } public void showRecord(ResultSet res) { try { id.setText(res.getString(1)); name.setText(res.getString(2)); } catch(Exception e) {} } class WIN extends WindowAdapter { public void windowClosing(WindowEvent w) { JOptionPane jop = new JOptionPane(); jop.showMessageDialog(null,"Database","Thanks",JOptionPane.QUESTION_MESSA GE); } } //end of WIN class }//end of Datas class

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OUTPUT: D:\ Java\jdk1.5.0_03\bin>javac Datas.java D:\ Java\jdk1.5.0_03\bin>java Datas

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CONCURRENT PROGRAMMING: import java.sql.*; import java.sql.DriverManager.*; class Ja { String bookid,bookname; int booksno; Connection con; Statement stmt; ResultSet rs; Ja() { try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); con=DriverManager.getConnection("jdbc:odbc:cust"); } catch(Exception e) { System.out.println("connection error"); } } void myput() { try { stmt=con.createStatement(); rs=stmt.executeQuery("SELECT * FROM cust1"); while(rs.next()) { booksno=rs.getInt(1); bookid=rs.getString(2); bookname=rs.getString(3); System.out.println("\n"+ booksno+"\t"+bookid+"\t"+bookname); } rs.close(); stmt.close(); con.close(); } catch(SQLException e) { System.out.println("sql error"); } } } class prog1 { public static void main(String arg[]) { 41

Ja j=new Ja(); j.myput(); } }

42

OUTPUT: D:\ Java\jdk1.5.0_03\bin>javac Ja.java D:\ Java\jdk1.5.0_03\bin>java prog1 1 10 JAVA 2 20 C++ 3 30 C#

43

RESULT: Thus the program Implementation of simple OPAC system for library has been Successfully executed and verified successfully. 44

PROGRAM: //SERVER import java .io.*; import java.net.ServerSocket; import java.net.Socket; public class SimpleThreadedSocketListener { ServerSocket server; int serverPort=8888; public SimpleThreadedSocketListener() { try { server=new ServerSocket(serverPort); System.out.println("ServerSocket:"+server); } catch(IOException e) { e.printStackTrace(); } } private void listen() { while(true) { try { Socket socket=server.accept(); System.out.println("Socket:"+socket); new ClientThread(socket).start(); } catch(IOException e) { e.printStackTrace(); } } } public static void main(String[]args) { new SimpleThreadedSocketListener().listen(); } class ClientThread extends Thread { Socket socket; public ClientThread(Socket socket) { this.socket=socket; } public void run() { InputStream in; 45

try { in=socket.getInputStream(); int byteRead; while((byteRead=in.read())!=-1) { System.out.print((char)byteRead); } } catch(IOException e) { e.printStackTrace(); } } } } //CLIENT import java .io.*; import java .awt.*; import java .awt.event.*; import java .net.*; import javax.swing.*; public class SimpleClient extends JFrame implements ActionListener { Socket client=null; String serverAddr="localhost"; int serverPort=8888; PrintWriter out; JTextField tf; public SimpleClient() { Try { client=new Socket(serverAddr,serverPort); System.out.println("Client:"+client); out=new PrintWriter(client.getOutputStream()); out.println("HELLOW"); out.flush(); } catch(UnknownHostException e) { e.printStackTrace(); } catch(IOException e) { e.printStackTrace(); } Container cp=this.getContentPane(); cp.setLayout(new FlowLayout(FlowLayout.LEFT,15,15)); cp.add(new JLabel("Enter your message or\"quit\"")); tf=new JTextField(40); 46

tf.addActionListener(this); cp.add(tf); this.setDefaultCloseOperation(EXIT_ON_CLOSE); this.pack(); this.setTitle("simple Client"); this.setVisible(true); } public void actionPerformed(ActionEvent e) { String message=tf.getText(); System.out.println(message); if(message.equals("quit")) { try { out.close(); client.close(); System.exit(0); } catch(IOException e1) { e1.printStackTrace(); } } else { out.println(message); out.flush(); tf.setText(""); } } public static void main(String[] args) { new SimpleClient(); } }

47

OUTPUT: C:\jdk1.6.0_17\bin>javac SimpleClient.java C:\jdk1.6.0_17\bin>java SimpleClient Client:Socket[addr=localhost/127.0.0.1,port=8888,localport=1040]

C:\jdk1.6.0_17\bin>javac SimpleThreadedSocketListener.java C:\jdk1.6.0_17\bin>java SimpleThreadedSocketListener ServerSocket:ServerSocket[addr=0.0.0.0/0.0.0.0,port=0,localport=8888] Socket:Socket[addr=/127.0.0.1,port=1040,localport=8888] HELLOW raja ramu rajesh ramki C:\jdk1.6.0_17\bin>

48

RESULT: Thus the program Implementation of multi threaded echo server has been successfully executed verified and successfully. 49