Simple Calculator in Java Using Remote Method Invocation - Beginners / Lab Assignments Source Code in Java

Special : Web Developer's Collection CD-ROM
50,000+ Web Templates, Logos, Cliparts, Scripts. Order Now!

Add to Favorites Make Home Page

1233 Online

Language Categories

Source Codes Home
Project Ideas New!
Interview Questions
FAQs Home
ASP Home: ASP Source Codes; ASP Script Directory New!; ASP .Net Script Directory New!; ASP Interview Questions; ASP FAQs; ASP How Tos
C Home: C Source Codes; C Script Directory New!; C Interview Questions; C FAQs; C How Tos
C++ Home: C++ Source Codes; C++ Script Directory New!; C++ Interview Questions; C++ FAQs; C++ How Tos
Java Home: Java Source Codes; Java Directory New!; Java Interview Questions; Java FAQs; Java How Tos
JavaScript Home: JavaScript Directory New!; JavaScript Source Codes; JavaScript FAQs; JavaScript How Tos
COBOL Home: COBOL Source Codes; COBOL FAQs; COBOL How Tos
Pascal Home: Pascal Source Codes; Pascal FAQs; Pascal How Tos
PHP Script Directory New!
Python Script Directory New!
Perl & CGI Script Directory New!
Flash Script Directory New!
CFML Script Directory New!
Remotely Hosted Scripts New!
Tools & Utilities Directory New!
XML Script Directory New!
Best Programmers: Amit Mathur; Vishal Bhardwaj; Deepesh Jain
Vyom NetWork

Our Services

Get 9,000 Interview Questions & Answers in an eBook.

9500+ Pages
9000 Question & Answers
All Tech. Categories

14 MB Content

Get it now !!

Home » Java Home » Beginners / Lab Assignments Home » Simple Calculator in Java Using Remote Method Invocation

A D V E R T I S E M E N T

Title	Simple Calculator in Java Using Remote Method Invocation
Author	Satish.K
Author Email	fly_sati [at] yahoo.co.in
Description	This is a java program for simple arithmetic calculationsusing the principles of Remote Method Invocation (RMI).
Category	Java » Beginners / Lab Assignments
Hits	486745
Code	Select and Copy the Code
//mathServer// import java.rmi.; import java.rmi.Naming.; import java.rmi.server.; import java.rmi.registry.; import java.net.; import java.util.; interface mathInterface extends Remote { public int add(int a,int b) throws RemoteException; public int subt(int a,int b) throws RemoteException; public int mult(int a,int b) throws RemoteException; public int div(int a,int b) throws RemoteException; } public class mathServer extends UnicastRemoteObject implements mathInterface { public mathServer() throws RemoteException { System.out.println("Initializing Server"); } public int add(int a,int b) { return(a+b); } public int subt(int a,int b) { return(a-b); } public int mult(int a,int b) { return(ab); } public int div(int a,int b) { return(a/b); } public static void main(String args[]) { try { mathServer ms=new mathServer(); java.rmi.Naming.rebind("MathServ",ms); System.out.println("Server Ready"); } catch(RemoteException RE) { System.out.println("Remote Server Error:"+ RE.getMessage()); System.exit(0); } catch(MalformedURLException ME) { System.out.println("Invalid URL!!"); } } } //mathClient// import java.rmi.; import java.rmi.registry.; import java.awt.; import java.awt.event.*; public class mathClient extends Frame implements ActionListener { Button B1=new Button("Sum"); Button B2=new Button("Subtract"); Button B3=new Button("Multiply"); Button B4=new Button("Divide"); Label l1=new Label("Number 1"); Label l2=new Label("Number 2"); Label l3=new Label("Result"); TextField t1=new TextField(20); TextField t2=new TextField(20); TextField t3=new TextField(20); public mathClient() { super("Calculator"); setLayout(null); l1.setBounds(20,50,55,25); add(l1); l2.setBounds(20,100,55,25); add(l2); l3.setBounds(20,150,55,25); add(l3); t1.setBounds(150,50,100,25); add(t1); t2.setBounds(150,100,100,25); add(t2); t3.setBounds(150,150,100,25); add(t3); B1.setBounds(20,200,80,25); add(B1); B2.setBounds(100,200,80,25); add(B2); B3.setBounds(180,200,80,25); add(B3); B4.setBounds(260,200,80,25); add(B4); B1.addActionListener(this); B2.addActionListener(this); B3.addActionListener(this); B4.addActionListener(this); addWindowListener( new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } } ); } public void actionPerformed(ActionEvent AE) { if(AE.getSource()==B1) { sum(); } else if(AE.getSource()==B2) { subt(); } else if(AE.getSource()==B3) { mult(); } else if(AE.getSource()==B4) { div(); } } public void sum() { int i=Integer.parseInt(t1.getText()); int j=Integer.parseInt(t2.getText()); int val; try { String ServerURL="MathServ"; mathInterface MI=(mathInterface)Naming.lookup(ServerURL); val=MI.add(i,j); t3.setText(""+val); } catch(Exception ex) { System.out.println("Exception:"+ex); } } public void subt() { int i=Integer.parseInt(t1.getText()); int j=Integer.parseInt(t2.getText()); int val; try { String ServerURL="MathServ"; mathInterface MI=(mathInterface)Naming.lookup(ServerURL); val=MI.subt(i,j); t3.setText(""+val); } catch(Exception ex) { System.out.println("Exception:"+ex); } } public void mult() { int i=Integer.parseInt(t1.getText()); int j=Integer.parseInt(t2.getText()); int val; try { String ServerURL="MathServ"; mathInterface MI=(mathInterface)Naming.lookup(ServerURL); val=MI.mult(i,j); t3.setText(""+val); } catch(Exception ex) { System.out.println("Exception:"+ex); } } public void div() { int i=Integer.parseInt(t1.getText()); int j=Integer.parseInt(t2.getText()); int val; try { String ServerURL="MathServ"; mathInterface MI=(mathInterface)Naming.lookup(ServerURL); val=MI.div(i,j); t3.setText(""+val); } catch(Exception ex) { System.out.println("Exception:"+ex); } } public static void main(String args[]) { mathClient MC=new mathClient(); MC.setVisible(true); MC.setSize(600,500); }; }

Related Source Codes

Script Name Author

Sending mail Using JavaMail to Yahoo and Gmail accounts sai prasad

Simple Program in Java to Implement Multithreading Satish.K

Guest Book Application Using Servlets Satish.K

String Manipulation Using Stringification Satish.K

String Manipulation Using Stringification Satish.K

Moving Ball Application Using Java Beans Satish.K

Rapid Roll game subrahmanyeswararao

student mgm arpan

Sourav Datta

Download Manager Sagar

Address Book in Java Rahul Chouhan

address book using java database connectivity(jdbc-msaccess) shekhar bansal

sun Steganography B.Rajavel

Connecting Java with MS-Access - Inserting data in Aseem

Address Book in Java Rahul Chouhan

A D V E R T I S E M E N T

Google Groups Subscribe to SourceCodesWorld - Techies Talk

Email:

Free eBook - Interview Questions: Get over 1,000 Interview Questions in an eBook for free when you join JobsAssist. Just click on the button below to join JobsAssist and you will immediately receive the Free eBook with thousands of Interview Questions in an ebook when you join.

Free Tutorials - HTML, Java, SQL, PHP, ASP, Perl, SQL Tutorials
Discuss Programming Problems and Freshers Jobs related issues here.
Discuss Final Year Project Ideas here.