Cbt Rec

PRACTICAL RECORD NOTE BOOK ANNA UNIVERSITY

DEPARTMENT OF INFORMATION TECHNOLOGY LCR COLLEGE OF ENGINEERING & TECHNOLOGY KANCHIPADI, THIRUTHANI TALUK THIRUVALLUR DIST – 631 204.

PRACTICAL RECORD NOTE BOOK ANNA UNIVERSITY

LCR COLLEGE OF ENGINEERING & TECHNOLOGY

NAME………………………………..

COURSE:

REG.NO………………………………

SEMESTER:

This is certified to be the bonafide record of work done by the student in the Software Components Lab(IT1403) of LCR College of Engineering and Technology in the department of Information Technology during the year Nov-2008

Head Of the Department

Staff-In-Charge

Submitted for the practical examination held on………………………..

Internal Examiner

External Examiner

INDEX

Exp.No 1 2 3 4 5 6

7

8 9 10

DATE

PROGRAM

Addition Using Java Finding Greatest Number Using Java Date And Time Application Using Visual Basics Calculator Application Using Component In Visual Basics Component Implementation In Visual Basics Arithmetic Operation Using RMI Text And Image Display Using RMI Simple Hello Program Using CORBA in Java Arithmetic Implementation Using CORBA In Java Services In CORBA Stock Market

PAGE SIGNATURE NO

sum.java import java.io.*; public class sum { public static void main(String args[])throws IOException { int i,sum=0; for(i=0;i<30;i++) sum=sum+i; System.out.println("The Sum is :"+sum); } }

OUTPUT:

Great.java import java.io.*; class great { public static void main(String args[])throws IOException { int a,b,c; String s; DataInputStream dis=new DataInputStream(System.in); System.out.print("Enter A:"); s=dis.readLine(); a=Integer.parseInt(s); System.out.print("Enter B:"); s=dis.readLine(); b=Integer.parseInt(s); if(a>b) System.out.println("Greatest is:"+a); else System.out.println("Greatest is:"+b); } }

OUTPUT

Application using com SOURCE CODE : 1. CREATION Public Function timer() MsgBox Now End Function 2. IMPLEMENTATION Private Sub Command1_Click() Dim A As New Time.Class1 A.Timer End Sub

FORM DESIGN :

OUTPUT :

:

Active x control using calculator SOURCE CODE : Dim flag As String Dim sum As Integer Dim cur As Integer Dim cl As Integer Private Sub Command1_Click() If (cl = 1) Then Text1.Text = "" End If Text1.Text = Text1.Text & 1 cur = Val(Text1.Text) cl = 0 End Sub Private Sub Command10_Click() If (cl = 1) Then Text1.Text = "" End If Text1.Text = Text1.Text & 0 cur = Val(Text1.Text) cl = 0 End Sub Private Sub Command11_Click() Text1.Text = Text1.Text + "." End Sub Private Sub Command12_Click() arifn flag = "+" Text1.Text = sum cl = 1 End Sub Private Sub Command13_Click() arifn flag = "*" Text1.Text = sum

cl = 1 End Sub Private Sub Command14_Click() arifn flag = "-" Text1.Text = sum cl = 1 End Sub Private Sub Command15_Click() arifn flag = "/" Text1.Text = sum cl = 1 End Sub Private Sub Command17_Click() arifn flag = "=" Text1.Text = sum End Sub Private Sub Command18_Click() Text1.Text = "" sum = 0 cl = 0 flag = "+" cur = 0 End Sub Private Sub Command2_Click() If (cl = 1) Then Text1.Text = "" End If Text1.Text = Text1.Text & 2 cl = 0 cur = Val(Text1.Text) End Sub Private Sub Command3_Click() If (cl = 1) Then Text1.Text = "" End If

Text1.Text = Text1.Text & 3 cl = 0 cur = Val(Text1.Text) End Sub Private Sub Command4_Click() If (cl = 1) Then Text1.Text = "" End If Text1.Text = Text1.Text & 4 cl = 0 cur = Val(Text1.Text) End Sub Private Sub Command5_Click() If (cl = 1) Then Text1.Text = "" End If Text1.Text = Text1.Text & 5 cl = 0 cur = Val(Text1.Text) End Sub Private Sub Command6_Click() If (cl = 1) Then Text1.Text = "" End If cl = 0 Text1.Text = Text1.Text & 6 cur = Val(Text1.Text) End Sub Private Sub Command7_Click() If (cl = 1) Then Text1.Text = "" End If Text1.Text = Text1.Text & 7 cur = Val(Text1.Text) cl = 0 End Sub Private Sub Command8_Click() If (cl = 1) Then

Text1.Text = "" End If Text1.Text = Text1.Text & 8 cur = Val(Text1.Text) cl = 0 End Sub Private Sub Command9_Click() If (cl = 1) Then Text1.Text = "" End If Text1.Text = Text1.Text & 9 cl = 0 cur = Val(Text1.Text) End Sub Private Sub Form_Load() sum = 0 cl = 0 flag = "+" End Sub Private Sub arifn() Select Case flag Case "+" sum = sum + cur Case "-" sum = sum - cur Case "*" sum = sum * cur Case "/" sum = sum / cur End Select End Sub

FORM DESIGN :

OUTPUT :

Active x control using progressbar SOURCE CODE : Private sub check1_click() If check1.value=1 then Timer1.enabled=true Else Timer1.enabled=false End if End sub Private sub command1_click ProgressBar1.value=0 Check1.value=false End sub Private sub text1_change() Timer1.interval=Val(text1) End sub Private sub timer1_timer() If ProgressBar1.value<80 then ProgressBar1.value=ProgressBar1.value+1 Else Timer1.enabled=false End if End sub

FORM DESIGN :

OUTPUT :

CountRMI.java public interface countRMI extends java.rmi.Remote { public double sum1(double v1, double v2,char ch)throws java.rmi.RemoteException; }

CountRMIClient.java import java.rmi.*; import java.rmi.registry.*; import java.rmi.server.*; public class countRMIClient { public static void main(String args[]) { try { countRMI mycount=(countRMI)Naming.lookup("rmi://"+args[0]+ "/"+"countRMI"); System.out.println("RMI Arithmetic Operation"); System.out.println( "Addition Value System.out.println( "Subtraction Value System.out.println( "Multiplication Value System.out.println( "Divide Value }catch(Exception e){} } }

=" =" =" ="

+ + + +

mycount.sum1(10,15,'+') ); mycount.sum1(10,15,'-') ); mycount.sum1(10,15,'*') ); mycount.sum1(10,15,'/') );

CountRMIImpl.java import java.rmi.*; import java.rmi.server.UnicastRemoteObject; public class countRMIImpl extends UnicastRemoteObject implements countRMI { private double sum; public countRMIImpl(String name)throws RemoteException { super(); try { Naming.rebind(name,this); } catch(Exception e) { System.out.println("Exception"); e.printStackTrace(); } }

public double sum1(double v1 ,double v2,char ch) throws RemoteException { switch(ch) { case '+': sum = v1 + v2; break; case '-': sum = v1 - v2; break; case '*': sum = v1 * v2; break; case '/': sum = v1 / v2; break; } return sum; } }

CountRMIServer.java import java.rmi.*; import java.rmi.server.*; public class countRMIServer { public static void main(String s[]) { try { countRMIImpl mycount = new countRMIImpl("countRMI"); System.out.println("Count RMI Server Ready"); }catch(Exception e){} } }

OUTPUT

CountRMI.java

public interface countRMI extends java.rmi.Remote { public int decide(int choice)throws java.rmi.RemoteException; }

CountRMIImpl.java import java.rmi.*; import java.rmi.server.UnicastRemoteObject;

public class countRMIImpl extends UnicastRemoteObject implements countRMI { private double sum; public countRMIImpl(String name)throws RemoteException { super(); try { Naming.rebind(name,this); } catch(Exception e) { System.out.println("Exception"); e.printStackTrace(); } }

public int decide(int choice)throws RemoteException { return choice; } }

CountRMIClient.java

import java.io.*; import java.rmi.*; import java.rmi.registry.*; import java.rmi.server.*; import java.awt.*; import java.awt.event.*; import java.applet.*;

/* */

width = 250 height = 250> value = "0.jpg"> value = "hi.au">

public class countRMIClient extends Applet implements ActionListener { int msg; Button TEXT, IMAGE, SOUND; Image img; AudioClip snd; String str=null,str1=null;; public void init() { TEXT = new Button("TEXT"); IMAGE = new Button("IMAGE"); SOUND = new Button("SOUND"); img

= getImage( getDocumentBase() , getParameter("img") );

add(TEXT); add(IMAGE); add(SOUND); TEXT.addActionListener(this); IMAGE.addActionListener(this); SOUND.addActionListener(this); } public void actionPerformed(ActionEvent e) { try { countRMI mycount=(countRMI)Naming.lookup("rmi://"+"127.0.0.1"+ "/"+"countRMI");

str= e.getActionCommand(); if( str.equals("TEXT") ) else if( str.equals("IMAGE") ) else if( str.equals("SOUND") )

msg = mycount.decide(1); msg = mycount.decide(2); msg = mycount.decide(3);

if(msg==3) repaint();

play( getDocumentBase(),"snd");

}catch(Exception E){} } public void paint(Graphics g) { if( msg==1 ) g.drawString("JAYA",6,100); else if( msg== 2 ) g.drawImage(img,0,0,this); }

}

CountRMIServer.java import java.rmi.*; import java.rmi.server.*; import java.io.*; public class countRMIServer { public static void main(String s[]) { try { countRMIImpl mycount=new countRMIImpl("countRMI"); System.out.println("Count RMI Server Ready"); } catch(Exception e){} } }

OUTPUT

GoodDay.idl module HelloWorld { interface GoodDay { string hello(in string name); }; };

GoodDayImpl.java import org.omg.CORBA.*; import HelloWorld.*; class GoodDayImpl extends _GoodDayStub { public GoodDayImpl() { super(); } public String Hello(String name) { return "Hello!"+name; } }

GoodDayServer.java import org.omg.CORBA.*; import org.omg.CosNaming.*; import org.omg.CosNaming.NamingContext.*; import HelloWorld.*; public class GoodDayServer { public static void main(String args[]) { try { ORB orb=ORB.init(args,null); GoodDayImpl gdayref=new GoodDayImpl(); orb.connect(gdayref); org.omg.CORBA.Object objref=orb.resolve_initial_references("NameService"); NamingContext ncRef=NamingContextHelper.narrow(objref); NameComponent nc=new NameComponent("goodDay",""); NameComponent path[]={nc}; ncRef.rebind(path,gdayref); System.out.println("GoodDayServer is ready");

java.lang.Object sync=new java.lang.Object(); synchronized(sync) { sync.wait(); } } catch(Exception e) { e.printStackTrace(); } } }

GoodDayClient.java import java.io.*; import org.omg.CORBA.*; import org.omg.CosNaming.*; import HelloWorld.*; public class GoodDayClient { public static void main(String args[])throws IOException { try { ORB orb=ORB.init(args,null); NamingContext ncref=NamingContextHelper.narrow(orb.resolve_initial_references("NameService")); NameComponent path[]={new NameComponent("goodDay","")}; GoodDay gdayref=GoodDayHelper.narrow(ncref.resolve(path)); java.io.DataInputStream dis=new java.io.DataInputStream(System.in); System.out.println("Enter your name"); String name=dis.readLine(); System.out.println("Message:"+gdayref.hello(name)); } catch(Exception e) { e.printStackTrace(); } } }

OUTPUT:

Sum.idl module Manipulation { interface Sum { long sum(in long a,in long b); }; };

SumImpl.java import org.omg.CORBA.*; import Manipulation.*; class SumImpl extends _SumImplBase {

public SumImpl() { super(); } public int sum(int a,int b) { return a+b; } }

SumServer.java import java.io.*; import org.omg.CORBA.*; import org.omg.CosNaming.*; import org.omg.CosNaming.NamingContext.*; import Manipulation.*; public class SumServer { public static void main(String args[]) { try { ORB orb=ORB.init(args,null); SumImpl sumref=new SumImpl(); orb.connect(sumref); org.omg.CORBA.Object objref=orb.resolve_initial_references("NameService"); NamingContext ncRef=NamingContextHelper.narrow(objref); NameComponent nc=new NameComponent("sum",""); NameComponent path[]={nc}; ncRef.rebind(path,sumref); System.out.println("SumServer is ready"); java.lang.Object sync=new java.lang.Object(); synchronized(sync) { sync.wait(); } } catch(Exception e) { e.printStackTrace(); } } }

SumClient.java

import org.omg.CORBA.*; import Manipulation.*; import org.omg.CosNaming.*; import java.io.*; public class SumClient { public static void main(String args[]) throws IOException { try { int a,b; ORB orb=ORB.init(args,null); NamingContext ncRef=NamingContextHelper.narrow(orb.resolve_initial_references("NameService")) ; NameComponent path[]={new NameComponent("sum","")}; Sum sumref=SumHelper.narrow(ncRef.resolve(path)); java.io.DataInputStream dis=new java.io.DataInputStream(System.in); System.out.println("Enter the no"); a=Integer.parseInt(dis.readLine()); System.out.println("Enter second number"); b=Integer.parseInt(dis.readLine()); System.out.println("Sum"+ sumref.sum(a,b)); } catch(Exception e) { e.printStackTrace(); } } }

OUTPUT:

StockMarket.idl module SimpleStocks { interface StockMarket { float get_price(in string symbol); }; };

StockMarketImpl.java import org.omg.CORBA.*; import SimpleStocks.*; public class StockMarketImpl extends _StockMarketImplBase { public float get_price(String symbol)

{ float price=0; for(int i=0;i<symbol.length();i++) { price+=(int)symbol.charAt(i); } price=price/5; return price; } public StockMarketImpl() { super(); } }

StockMarketServer.java import org.omg.CORBA.*; import org.omg.CosNaming.*; import SimpleStocks.*; public class StockMarketServer { public static void main(String args[]) { try { ORB orb=ORB.init(args,null); StockMarketImpl stockMarketImpl=new StockMarketImpl(); orb.connect(stockMarketImpl); org.omg.CORBA.Object objRef=orb.resolve_initial_references("NameService"); NamingContext ncRef=NamingContextHelper.narrow(objRef); NameComponent nc=new NameComponent("NASDAQ",""); NameComponent path[]={nc}; ncRef.rebind(path,stockMarketImpl); System.out.println("The StockMarket Server is up and ready"); Thread.currentThread().join(); } catch(Exception e) { e.printStackTrace(); } } }

StockMarketClient.java import org.omg.CORBA.*; import org.omg.CosNaming.*;

import SimpleStocks.*; public class StockMarketClient { public static void main(String args[]) { try { ORB orb=ORB.init(args,null); NamingContext ncRef=NamingContextHelper.narrow(orb.resolve_initial_refere nces("NameService")); NameComponent path[]={new NameComponent("NASDAQ","")}; StockMarket market=StockMarketHelper.narrow(ncRef.resolve(path)); System.out.println("Price of MY COMPANY is $"+ market.get_price("MY_COMPANY")); } catch(Exception e) { e.printStackTrace(); } } }

OUTPUT:

---

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