/* Write a Program implementing GUI based Calculator using Swing */
|
|
- Arnold Short
- 5 years ago
- Views:
Transcription
1 /* Write a Program implementing GUI based Calculator using Swing */ import java.awt.event.actionevent; import java.awt.event.actionlistener; import javax.swing.*; public class Calculator extends JFrame implements ActionListener private final int BHEIGHT=30, BWIDTH=50; JTextField txt; JButton b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, add, sub, mult, div, equals, clr; int n1, n2, temp; String symbol; Calculator() super("calculator"); allocatememory(); arrange(); addtopane(); setproperties(); setvisibility(); setactionlistners(); //Calculator() private void allocatememory() 1 P a g e
2 b0 = new JButton("0"); b1 = new JButton("1"); b2 = new JButton("2"); b3 = new JButton("3"); b4 = new JButton("4"); b5 = new JButton("5"); b6 = new JButton("6"); b7 = new JButton("7"); b8 = new JButton("8"); b9 = new JButton("9"); add = new JButton("+"); sub = new JButton("-"); mult = new JButton("x"); div = new JButton("/"); equals = new JButton("="); clr = new JButton("C"); txt = new JTextField(""); private void arrange() b0.setbounds(70, 180, BWIDTH, BHEIGHT); b1.setbounds(10, 140, BWIDTH, BHEIGHT); b2.setbounds(70, 140, BWIDTH, BHEIGHT); b3.setbounds(130, 140, BWIDTH, BHEIGHT); b4.setbounds(10, 100, BWIDTH, BHEIGHT); b5.setbounds(70, 100, BWIDTH, BHEIGHT); b6.setbounds(130, 100, BWIDTH, BHEIGHT); 2 P a g e
3 b7.setbounds(10, 60, BWIDTH, BHEIGHT); b8.setbounds(70, 60, BWIDTH, BHEIGHT); b9.setbounds(130, 60, BWIDTH, BHEIGHT); add.setbounds(190, 60, BWIDTH, BHEIGHT); sub.setbounds(190, 100, BWIDTH, BHEIGHT); mult.setbounds(190, 140, BWIDTH, BHEIGHT); div.setbounds(190, 180, BWIDTH, BHEIGHT); equals.setbounds(130, 180, BWIDTH, BHEIGHT); clr.setbounds(10, 180, BWIDTH, BHEIGHT); txt.setbounds(10, 10, BWIDTH+180, BHEIGHT); private void addtopane() add(b0); add(b1); add(b2); add(b3); add(b4); add(b5); add(b6); add(b7); add(b8); add(b9); add(add); add(sub); add(mult); 3 P a g e
4 add(div); add(equals); add(clr); add(txt); private void setvisibility() b0.setvisible(true); b1.setvisible(true); b2.setvisible(true); b3.setvisible(true); b4.setvisible(true); b5.setvisible(true); b6.setvisible(true); b7.setvisible(true); b8.setvisible(true); b9.setvisible(true); add.setvisible(true); sub.setvisible(true); mult.setvisible(true); equals.setvisible(true); clr.setvisible(true); txt.setvisible(true); private void setproperties() 4 P a g e
5 setlayout(null); setsize(300, 300); setvisible(true); setdefaultcloseoperation(exit_on_close); txt.seteditable(false); private void setactionlistners() b0.addactionlistener(this); b1.addactionlistener(this); b2.addactionlistener(this); b3.addactionlistener(this); b4.addactionlistener(this); b5.addactionlistener(this); b6.addactionlistener(this); b7.addactionlistener(this); b8.addactionlistener(this); b9.addactionlistener(this); add.addactionlistener(this); sub.addactionlistener(this); mult.addactionlistener(this); div.addactionlistener(this); equals.addactionlistener(this); clr.addactionlistener(this); private String calculate() 5 P a g e
6 int result=0; switch(symbol) case "+": result = n1+n2; break; case "-": result = n1-n2; break; case "x": result = n1*n2; break; case "/": result = n1/n2; break; return Integer.toString(result); private boolean isnumber(string s) try temp = temp*10; temp += Integer.parseInt(s); catch(numberformatexception ex) 6 P a g e
7 temp = temp/10; return false; return true; private void resetvalues() n1 = 0; n2 = 0; temp=0; symbol = ""; public static void main(string args[]) Calculator c = new Calculator(); private boolean isoperator(string s) return s.equals("+") s.equals("-") s.equals("x") public void actionperformed(actionevent e) if(e.getactioncommand().equals("c")) txt.settext(""); 7 P a g e
8 resetvalues(); else if(e.getactioncommand().equals("=")) if("".equals(txt.gettext())) txt.settext("enter Expression First"); else if(n1==0) txt.settext(integer.tostring(temp)); else if(!"".equalsignorecase(symbol) && temp!=0) n2 = temp; txt.settext(calculate()); resetvalues(); else if(isoperator(e.getactioncommand())) if(temp==0 && n1==0) txt.settext("please Enter A number first"); else if(n1==0) n1 = temp; symbol = e.getactioncommand(); temp=0; else if(temp!=0 && n1!=0) 8 P a g e
9 txt.settext("calculator is limited to two numbers"); temp = 0; else txt.settext(e.getactioncommand()); else if(isnumber(e.getactioncommand())) txt.settext(integer.tostring(temp)); else txt.settext(e.getactioncommand()); 9 P a g e
Graphical User Interface
Lecture 10 Graphical User Interface An introduction Sahand Sadjadee sahand.sadjadee@liu.se Programming Fundamentals 725G61 http://www.ida.liu.se/~725g61/ Department of Computer and Information Science
More informationimport javax.swing.*; public class Sample { JFrame f; Sample(){ f=new JFrame(); JButton b=new JButton("click"); b.setbounds(130,100,100, 40); f.add(b); f.setsize(400,500); f.setlayout(null); f.setvisible(true);
More informationMIT AITI Swing Event Model Lecture 17
MIT AITI 2004 Swing Event Model Lecture 17 The Java Event Model In the last lecture, we learned how to construct a GUI to present information to the user. But how do GUIs interact with users? How do applications
More informationBuilding a GUI in Java with Swing. CITS1001 extension notes Rachel Cardell-Oliver
Building a GUI in Java with Swing CITS1001 extension notes Rachel Cardell-Oliver Lecture Outline 1. Swing components 2. Building a GUI 3. Animating the GUI 2 Swing A collection of classes of GUI components
More informationCMP-326 Exam 2 Spring 2018 Solutions Question 1. Version 1. Version 2
Question 1 30 30 60 60 90 20 20 40 40 60 Question 2 a. b. public Song(String title, String artist, int length, String composer) { this.title = title; this.artist = artist; this.length = length; this.composer
More informationJRadioButton account_type_radio_button2 = new JRadioButton("Current"); ButtonGroup account_type_button_group = new ButtonGroup();
Q)Write a program to design an interface containing fields User ID, Password and Account type, and buttons login, cancel, edit by mixing border layout and flow layout. Add events handling to the button
More informationSampleApp.java. Page 1
SampleApp.java 1 package msoe.se2030.sequence; 2 3 /** 4 * This app creates a UI and processes data 5 * @author hornick 6 */ 7 public class SampleApp { 8 private UserInterface ui; // the UI for this program
More informationMultiple Choice Questions: Identify the choice that best completes the statement or answers the question. (15 marks)
M257 MTA Spring2010 Multiple Choice Questions: Identify the choice that best completes the statement or answers the question. (15 marks) 1. If we need various objects that are similar in structure, but
More informationJApplet. toy example extends. class Point { // public int x; public int y; } p Point 5.2. Point. Point p; p = new Point(); instance,
35 5 JApplet toy example 5.1 2 extends class Point { // public int x; public int y; Point x y, 5.2 Point int Java p Point Point p; p = new Point(); Point instance, p Point int 2 36 5 Point p = new Point();
More informationH212 Introduction to Software Systems Honors
Introduction to Software Systems Honors Lecture #19: November 4, 2015 1/14 Third Exam The third, Checkpoint Exam, will be on: Wednesday, November 11, 2:30 to 3:45 pm You will have 3 questions, out of 9,
More informationFrames, GUI and events. Introduction to Swing Structure of Frame based applications Graphical User Interface (GUI) Events and event handling
Frames, GUI and events Introduction to Swing Structure of Frame based applications Graphical User Interface (GUI) Events and event handling Introduction to Swing The Java AWT (Abstract Window Toolkit)
More informationRAIK 183H Examination 2 Solution. November 10, 2014
RAIK 183H Examination 2 Solution November 10, 2014 Name: NUID: This examination consists of 5 questions and you have 110 minutes to complete the test. Show all steps (including any computations/explanations)
More informationMidterm assessment - MAKEUP Fall 2010
M257 MTA Faculty of Computer Studies Information Technology and Computing Date: /1/2011 Duration: 60 minutes 1-Version 1 M 257: Putting Java to Work Midterm assessment - MAKEUP Fall 2010 Student Name:
More informationRAIK 183H Examination 2 Solution. November 11, 2013
RAIK 183H Examination 2 Solution November 11, 2013 Name: NUID: This examination consists of 5 questions and you have 110 minutes to complete the test. Show all steps (including any computations/explanations)
More information) / Java ( )
2002 3 2003.1.29 1 3 ( ) ( ) / Java ( ) 1 ( )? ( ) 2 (3 ) 3 Java Java Java (dynamic dispatch) ( ) import java.awt.*; import java.awt.event.*; public class Sample30 extends Frame { boolean go; double time;
More information17 GUI API: Container 18 Hello world with a GUI 19 GUI API: JLabel 20 GUI API: Container: add() 21 Hello world with a GUI 22 GUI API: JFrame: setdefau
List of Slides 1 Title 2 Chapter 13: Graphical user interfaces 3 Chapter aims 4 Section 2: Example:Hello world with a GUI 5 Aim 6 Hello world with a GUI 7 Hello world with a GUI 8 Package: java.awt and
More informationChapter #1. Program to demonstrate applet life cycle
Chapter #1. Program to demonstrate applet life cycle import java.applet.applet; import java.awt.*; public class LifeCycle extends Applet{ public void init(){ System.out.println(" init()"); public void
More informationSystems Programming. Bachelor in Telecommunication Technology Engineering Bachelor in Communication System Engineering Carlos III University of Madrid
Systems Programming Bachelor in Telecommunication Technology Engineering Bachelor in Communication System Engineering Carlos III University of Madrid Leganés, 21st of March, 2014. Duration: 75 min. Full
More informationAP CS Unit 11: Graphics and Events
AP CS Unit 11: Graphics and Events This packet shows how to create programs with a graphical interface in a way that is consistent with the approach used in the Elevens program. Copy the following two
More informationCMP 326 Midterm Fall 2015
CMP 326 Midterm Fall 2015 Name: 1) (30 points; 5 points each) Write the output of each piece of code. If the code gives an error, write any output that would happen before the error, and then write ERROR.
More informationLaborator 3 Aplicatii Java
Laborator 3 Aplicatii Java 1. Programarea vizuala Scrieti, compilati si rulati toate exemplele din acest laborator: 1. Fisierul se numeste testschimbareculori.java: import java.awt.*; import java.awt.event.*;
More informationThe JFrame Class Frame Windows GRAPHICAL USER INTERFACES. Five steps to displaying a frame: 1) Construct an object of the JFrame class
CHAPTER GRAPHICAL USER INTERFACES 10 Slides by Donald W. Smith TechNeTrain.com Final Draft 10/30/11 10.1 Frame Windows Java provides classes to create graphical applications that can run on any major graphical
More informationCOMP Assignment #10 (Due: Monday, March 11:30pm)
COMP1406 - Assignment #10 (Due: Monday, March 31st @ 11:30pm) In this assignment you will practice using recursion with data structures. (1) Consider the following BinaryTree class: public class BinaryTree
More informationLaborator 2 Aplicatii Java
Laborator 2 Aplicatii Java Introducere in programarea vizuala - Pachetul AWT Scrieti, compilati si rulati toate exemplele din acest laborator: 1. import java.awt.*; class First extends Frame First() Button
More informationWindow Interfaces Using Swing Objects
Chapter 12 Window Interfaces Using Swing Objects Event-Driven Programming and GUIs Swing Basics and a Simple Demo Program Layout Managers Buttons and Action Listeners Container Classes Text I/O for GUIs
More informationGraphical User Interfaces (GUIs)
CMSC 132: Object-Oriented Programming II Graphical User Interfaces (GUIs) Department of Computer Science University of Maryland, College Park Model-View-Controller (MVC) Model for GUI programming (Xerox
More informationCSCI 136 Written Exam #2 Fundamentals of Computer Science II Spring 2012
CSCI 136 Written Exam #2 Fundamentals of Computer Science II Spring 2012 Name: This exam consists of 6 problems on the following 8 pages. You may use your double- sided hand- written 8 ½ x 11 note sheet
More informationUniversity of Cape Town ~ Department of Computer Science. Computer Science 1016S / 1011H ~ November Exam
Name: Please fill in your Student Number and Name. Student Number : Student Number: University of Cape Town ~ Department of Computer Science Computer Science 1016S / 1011H ~ 2009 November Exam Question
More informationGive one example where you might wish to use a three dimensional array
CS 110: INTRODUCTION TO COMPUTER SCIENCE SAMPLE TEST 3 TIME ALLOWED: 60 MINUTES Student s Name: MAXIMUM MARK 100 NOTE: Unless otherwise stated, the questions are with reference to the Java Programming
More informationTheory Test 3A. University of Cape Town ~ Department of Computer Science. Computer Science 1016S ~ For Official Use
Please fill in your Student Number and, optionally, Name. For Official Use Student Number : Mark : Name : Marker : University of Cape Town ~ Department of Computer Science Computer Science 1016S ~ 2007
More informationGoals. Lecture 7 More GUI programming. The application. The application D&D 12. CompSci 230: Semester JFrame subclass: ListOWords
Goals By the end of this lesson, you should: Lecture 7 More GUI programming 1. Be able to write Java s with JTextField, JList, JCheckBox and JRadioButton components 2. Be able to implement a ButtonGroup
More informationPART1: Choose the correct answer and write it on the answer sheet:
PART1: Choose the correct answer and write it on the answer sheet: (15 marks 20 minutes) 1. Which of the following is included in Java SDK? a. Java interpreter c. Java disassembler b. Java debugger d.
More informationMore about GUIs GEEN163
More about GUIs GEEN163 The best programmers are not marginally better than merely good ones. They are an order-ofmagnitude better, measured by whatever standard: conceptual creativity, speed, ingenuity
More informationGraphics User Defined Forms, Part I
Graphics User Defined Forms, Part I Quick Start Compile step once always mkdir labs javac PropertyTax5.java cd labs mkdir 5 Execute step cd 5 java PropertyTax5 cp /samples/csc/156/labs/5/*. cp PropertyTax1.java
More information1.1 GUI. JFrame. import java.awt.*; import javax.swing.*; public class XXX extends JFrame { public XXX() { // XXX. init() main() public static
18 7 17 1 1.1 GUI ( ) GUI ( ) JFrame public class XXX extends JFrame { public XXX() { // XXX // init()... // ( )... init() main() public static public class XXX extends JFrame { public XXX() { // setsize(,
More informationDo not turn to the next page until the start of the exam.
Principles of Java Language with Applications, PIC20a E. Ryu Winter 2017 Final Exam Monday, March 20, 2017 3 hours, 8 questions, 100 points, 11 pages While we don t expect you will need more space than
More informationLecture 28. Exceptions and Inner Classes. Goals. We are going to talk in more detail about two advanced Java features:
Lecture 28 Exceptions and Inner Classes Goals We are going to talk in more detail about two advanced Java features: Exceptions supply Java s error handling mechanism. Inner classes ease the overhead of
More informationQueen s University Faculty of Arts and Science School of Computing CISC 124 Final Examination December 2004 Instructor: M. Lamb
Queen s University Faculty of Arts and Science School of Computing CISC 124 Final Examination December 2004 Instructor: M. Lamb HAND IN Answers recorded on Examination paper This examination is THREE HOURS
More informationMidterm Test II Object Oriented Programming in Java Computer Science, University of Windsor Fall 2014 Time 2 hours. Answer all questions
Midterm Test II 60-212 Object Oriented Programming in Java Computer Science, University of Windsor Fall 2014 Time 2 hours Answer all questions Name : Student Id # : Only an unmarked copy of a textbook
More informationDAFTAR LAMPIRAN. Source Code Java Aplikasi Keyword to Image Renamer Split
DAFTAR LAMPIRAN Source Code Java Aplikasi Keyword to Image Renamer Split Source Code Menu Utama package spin_text; import java.awt.color; import java.awt.event.actionevent; import java.awt.event.actionlistener;
More informationSE1021 Exam 2. When returning your exam, place your note-sheet on top. Page 1: This cover. Page 2 (Multiple choice): 10pts
SE1021 Exam 2 Name: You may use a note-sheet for this exam. But all answers should be your own, not from slides or text. Review all questions before you get started. The exam is printed single-sided. Write
More informationExample 3-1. Password Validation
Java Swing Controls 3-33 Example 3-1 Password Validation Start a new empty project in JCreator. Name the project PasswordProject. Add a blank Java file named Password. The idea of this project is to ask
More informationLab 4. D0010E Object-Oriented Programming and Design. Today s lecture. GUI programming in
Lab 4 D0010E Object-Oriented Programming and Design Lecture 9 Lab 4: You will implement a game that can be played over the Internet. The networking part has already been written. Among other things, the
More informationAnswer on question #61311, Programming & Computer Science / Java
Answer on question #61311, Programming & Computer Science / Java JSP JSF for completion Once the user starts the thread by clicking a button, the program must choose a random image out of an image array,
More informationFirstSwingFrame.java Page 1 of 1
FirstSwingFrame.java Page 1 of 1 2: * A first example of using Swing. A JFrame is created with 3: * a label and buttons (which don t yet respond to events). 4: * 5: * @author Andrew Vardy 6: */ 7: import
More informationDr. Hikmat A. M. AbdelJaber
Dr. Hikmat A. M. AbdelJaber JWindow: is a window without a title bar or move controls. The program can move and resize it, but the user cannot. It has no border at all. It optionally has a parent JFrame.
More informationJava Swing. Recitation 11/(20,21)/2008. CS 180 Department of Computer Science, Purdue University
Java Swing Recitation 11/(20,21)/2008 CS 180 Department of Computer Science, Purdue University Announcements Project 8 is out Milestone due on Dec 3rd, 10:00 pm Final due on Dec 10th, 10:00 pm No classes,
More informationCSCI 201L Midterm Written Summer % of course grade
CSCI 201L Summer 2016 10% of course grade 1. Abstract Classes and Interfaces Give two differences between an interface and an abstract class in which all of the methods are abstract. (0.5% + 0.5%) 2. Serialization
More informationCS108, Stanford Handout #22. Thread 3 GUI
CS108, Stanford Handout #22 Winter, 2006-07 Nick Parlante Thread 3 GUI GUIs and Threading Problem: Swing vs. Threads How to integrate the Swing/GUI/drawing system with threads? Problem: The GUI system
More informationAdvanced Java Unit 6: Review of Graphics and Events
Advanced Java Unit 6: Review of Graphics and Events This is a review of the basics of writing a java program that has a graphical interface. To keep things simple, all of the graphics programs will follow
More informationWindow Interfaces Using Swing Objects
Chapter 12 Window Interfaces Using Swing Objects Event-Driven Programming and GUIs Swing Basics and a Simple Demo Program Layout Managers Buttons and Action Listeners Container Classes Text I/O for GUIs
More information1.00/1.001 Introduction to Computers and Engineering Problem Solving Fall (total 7 pages)
1.00/1.001 Introduction to Computers and Engineering Problem Solving Fall 2002 (total 7 pages) Name: TA s Name: Tutorial: For Graders Question 1 Question 2 Question 3 Total Problem 1 (20 points) True or
More informationimport javax.swing.*; import java.awt.*; import java.awt.event.*;
I need to be walked through with why the stocks are being recognized "half way." They will print out in the console but won't be recognized by certain code. Every line of code seems to look right and that's
More informationSwing from A to Z Some Simple Components. Preface
By Richard G. Baldwin baldwin.richard@iname.com Java Programming, Lecture Notes # 1005 July 31, 2000 Swing from A to Z Some Simple Components Preface Introduction Sample Program Interesting Code Fragments
More informationAPPENDIX. public void cekroot() { System.out.println("nilai root : "+root.data); }
APPENDIX CLASS NODE AS TREE OBJECT public class Node public int data; public Node left; public Node right; public Node parent; public Node(int i) data=i; PROCEDURE BUILDING TREE public class Tree public
More informationASSIGNMENT NO 14. Objectives: To learn and demonstrated use of applet and swing components
Create an applet with three text Fields and four buttons add, subtract, multiply and divide. User will enter two values in the Text Fields. When any button is pressed, the corresponding operation is performed
More informationProctors are unable to respond to queries about the interpretation of exam questions. Do your best to answer exam questions as written.
HAND IN Answers Are Recorded on Question Paper QUEEN'S UNIVERSITY SCHOOL OF COMPUTING CISC212, FALL TERM, 2006 FINAL EXAMINATION 7pm to 10pm, 19 DECEMBER 2006, Jeffrey Hall 1 st Floor Instructor: Alan
More informationpackage As7BattleShip;
package As7BattleShip; Program: BattleshipBoard.java Author: Kevin Nider Date: 11/18/12 Description: Assignment 7: Runs the battleship game Input: ship placement board files and computer player type Output:
More informationIntroduction to Graphical User Interfaces (GUIs) Lecture 10 CS2110 Fall 2008
Introduction to Graphical User Interfaces (GUIs) Lecture 10 CS2110 Fall 2008 Announcements A3 is up, due Friday, Oct 10 Prelim 1 scheduled for Oct 16 if you have a conflict, let us know now 2 Interactive
More informationSwing - JTextField. Adding a text field to the main window (with tooltips and all)
Swing - JTextField Adding a text field to the main window (with tooltips and all) Prerequisites - before this lecture You should have seen: The lecture on JFrame The lecture on JButton Including having
More informationCOMP16121 Sample Code Lecture 1
COMP16121 Sample Code Lecture 1 Sean Bechhofer, University of Manchester, Manchester, UK sean.bechhofer@manchester.ac.uk 1 SimpleFrame 1 import javax.swing.jframe; 2 3 public class SimpleFrame { 4 5 /*
More informationGraphical User Interface (Part-1) Supplementary Material for CPSC 233
Graphical User Interface (Part-1) Supplementary Material for CPSC 233 Introduction to Swing A GUI (graphical user interface) is a windowing system that interacts with the user The Java AWT (Abstract Window
More informationExtra Credit Lab. Your job is to catch any syntax errors a user might make. Two examples follow. In the panel on the left the user has used
Extra Credit Lab The object of this lab is to write an applet that will take a string and check to see that it is a well defined polynomial in x. A polynomial in x, recall, is an expression of the form
More informationJava, Swing, and Eclipse: The Calculator Lab.
Java, Swing, and Eclipse: The Calculator Lab. ENGI 5895. Winter 2014 January 13, 2014 1 A very simple application (SomeimageswerepreparedwithanearlierversionofEclipseandmaynotlookexactlyasthey would with
More informationSwing - JButton. Adding buttons to the main window
Swing - JButton Adding buttons to the main window An empty JFrame is not very useful // In some GUI class: window = new JFrame("Window example"); window.setsize(800,600); window.setdefaultcloseoperation(jframe.exit_on_close);
More informationProctors are unable to respond to queries about the interpretation of exam questions. Do your best to answer exam questions as written.
HAND IN Answers Are Recorded on Question Paper QUEEN'S UNIVERSITY SCHOOL OF COMPUTING CISC124, WINTER TERM, 2009 FINAL EXAMINATION 7pm to 10pm, 18 APRIL 2009, Dunning Hall Instructor: Alan McLeod If the
More informationG51PGP Programming Paradigms. Lecture 008 Inner classes, anonymous classes, Swing worker thread
G51PGP Programming Paradigms Lecture 008 Inner classes, anonymous classes, Swing worker thread 1 Reminder subtype polymorphism public class TestAnimals public static void main(string[] args) Animal[] animals
More informationCommands. Written commands can be reused, cataloged, etc. Sometimes they also contain "undo" commands, too.
Commands A command is something you want someone else to perform. Instead of directly issuing a command, we can write it down and give it to someone to perform. Written commands can be reused, cataloged,
More information1 GUI GUI GUI GUI GUI. GUI(Graphical User Interface) JDK java.awt. ? Component
99 6 1999.10.13 0 GUI GUI JDK 1.1 GUI 1 GUI GUI GUI(Graphical User Interface) GUI (GUI ) / ( GUI ) Java GUI JDK 1.1 1.2 1.2 Swing 1.1 java.awt GUI? Component setbounds(int, int, int, int) (x,y) setforeground(color)
More informationCSCI 136 Written Exam #2 Fundamentals of Computer Science II Spring 2015
CSCI 136 Written Exam #2 Fundamentals of Computer Science II Spring 2015 Name: This exam consists of 6 problems on the following 6 pages. You may use your double- sided hand- written 8 ½ x 11 note sheet
More informationGUI and its COmponent Textfield, Button & Label. By Iqtidar Ali
GUI and its COmponent Textfield, Button & Label By Iqtidar Ali GUI (Graphical User Interface) GUI is a visual interface to a program. GUI are built from GUI components. A GUI component is an object with
More informationGUI Forms and Events, Part II
GUI Forms and Events, Part II Quick Start Compile step once always mkdir labs javac PropertyTax6.java cd labs Execute step mkdir 6 java PropertyTax6 cd 6 cp../5/propertytax5.java PropertyTax6.java Submit
More informationProctors are unable to respond to queries about the interpretation of exam questions. Do your best to answer exam questions as written.
SOLUTION HAND IN Answers Are Recorded on Question Paper QUEEN'S UNIVERSITY SCHOOL OF COMPUTING CISC212, FALL TERM, 2006 FINAL EXAMINATION 7pm to 10pm, 19 DECEMBER 2006, Jeffrey Hall 1 st Floor Instructor:
More informationProctors are unable to respond to queries about the interpretation of exam questions. Do your best to answer exam questions as written.
SOLUTION HAND IN Answers Are Recorded on Question Paper QUEEN'S UNIVERSITY SCHOOL OF COMPUTING CISC124, WINTER TERM, 2009 FINAL EXAMINATION 7pm to 10pm, 18 APRIL 2009, Dunning Hall Instructor: Alan McLeod
More informationCS 2334: Programming Structures and Abstractions Exam 2 November 4, Please wait to open this exam booklet until you are told to do so.
General instructions: CS 2334: Programming Structures and Abstractions Exam 2 November 4, 2015 Please wait to open this exam booklet until you are told to do so. This examination booklet has 13 pages.
More informationCalculator Class. /** * Create a new calculator and show it. */ public Calculator() { engine = new CalcEngine(); gui = new UserInterface(engine); }
A Calculator Project This will be our first exposure to building a Graphical User Interface (GUI) in Java The functions of the calculator are self-evident The Calculator class creates a UserInterface Class
More informationGracefulness of TP-Tree with Five Levels Obtained by Java Programming
International Journal of Scientific and Research Publications, Volume 2, Issue 12, December 2012 1 Gracefulness of TP-Tree with Five Levels Obtained by Java Programming A.Solairaju 1, N. Abdul Ali 2 and
More informationChapter 13 Lab Advanced GUI Applications
Gaddis_516907_Java 4/10/07 2:10 PM Page 113 Chapter 13 Lab Advanced GUI Applications Objectives Be able to add a menu to the menu bar Be able to use nested menus Be able to add scroll bars, giving the
More informationChapter 13 Lab Advanced GUI Applications Lab Objectives. Introduction. Task #1 Creating a Menu with Submenus
Chapter 13 Lab Advanced GUI Applications Lab Objectives Be able to add a menu to the menu bar Be able to use nested menus Be able to add scroll bars, giving the user the option of when they will be seen.
More informationGUI Applications. Let s start with a simple Swing application in Java, and then we will look at the same application in Jython. See Listing 16-1.
GUI Applications The C implementation of Python comes with Tkinter for writing Graphical User Interfaces (GUIs). The GUI toolkit that you get automatically with Jython is Swing, which is included with
More informationCMP-326 Exam 2 Spring 2018 Total 120 Points Version 1
Version 1 5. (10 Points) What is the output of the following code: int total = 0; int i = 0; while( total < 90 ) { switch( i ) { case 0: total += 30; i = 1; break; case 1: i = 2; total -= 15; case 2: i
More informationCSIS 10A Assignment 7 SOLUTIONS
CSIS 10A Assignment 7 SOLUTIONS Read: Chapter 7 Choose and complete any 10 points from the problems below, which are all included in the download file on the website. Use BlueJ to complete the assignment,
More informationAn array is a type of variable that is able to hold more than one piece of information under a single variable name.
Arrays An array is a type of variable that is able to hold more than one piece of information under a single variable name. Basically you are sub-dividing a memory box into many numbered slots that can
More informationExample: Building a Java GUI
Steven Zeil October 25, 2013 Contents 1 Develop the Model 2 2 Develop the layout of those elements 3 3 Add listeners to the elements 9 4 Implement custom drawing 12 1 The StringArt Program To illustrate
More informationSwing - JLabel. Adding a text (and HTML) labels to a GUI
Swing - JLabel Adding a text (and HTML) labels to a GUI Prerequisites - before this lecture You should have seen: The lecture on JFrame The lecture on JButton The lectuer on JTextField Including having
More informationOverview. Lecture 7: Inheritance and GUIs. Inheritance. Example 9/30/2008
Overview Lecture 7: Inheritance and GUIs Written by: Daniel Dalevi Inheritance Subclasses and superclasses Java keywords Interfaces and inheritance The JComponent class Casting The cosmic superclass Object
More information1.00/1.001 Introduction to Computers and Engineering Problem Solving. Quiz 2: April 16, 2004
1.00/1.001 Introduction to Computers and Engineering Problem Solving Quiz 2: April 16, 2004 Name: Email Address: TA: Section: You have 80 minutes to complete this exam. For coding questions, you do not
More informationExample: Building a Java GUI
Steven Zeil October 25, 2013 Contents 1 Develop the Model 3 2 Develop the layout of those elements 4 3 Add listeners to the elements 12 4 Implement custom drawing 15 1 The StringArt Program To illustrate
More informationMVC: Model View Controller
MVC: Model View Controller Computer Science and Engineering College of Engineering The Ohio State University Lecture 26 Motivation Basic parts of any application: Data being manipulated A user-interface
More informationAttempt FOUR questions Marking Scheme Time: 120 mins
Ahmadu Bello University Department of Computer Science Second Semester Examinations August 2017 COSC212: Object Oriented Programming II Marking Scheme Attempt FOUR questions Marking Scheme Time: 120 mins
More informationLecture 3: Java Graphics & Events
Lecture 3: Java Graphics & Events CS 62 Fall 2017 Kim Bruce & Alexandra Papoutsaki Text Input Scanner class Constructor: myscanner = new Scanner(System.in); can use file instead of System.in new Scanner(new
More informationCSCI 201L Midterm Written SOLUTION Summer % of course grade
CSCI 201L SOLUTION Summer 2016 10% of course grade 1. Abstract Classes and Interfaces Give two differences between an interface and an abstract class in which all of the methods are abstract. (0.5% + 0.5%)
More informationUTM CSC207: Midterm Examination October 28, 2011
UTM CSC207: Midterm Examination October 28, 2011 Student Number: Last Name: First Name: This 110 minute exam consists of 6 double sided pages. You are allowed two 8 1 2 11 double sided aid sheets. 1. [10
More informationDatenbank-Praktikum. Universität zu Lübeck Sommersemester 2006 Lecture: Swing. Ho Ngoc Duc 1
Datenbank-Praktikum Universität zu Lübeck Sommersemester 2006 Lecture: Swing Ho Ngoc Duc 1 Learning objectives GUI applications Font, Color, Image Running Applets as applications Swing Components q q Text
More information// autor igre Ivan Programerska sekcija package mine;
// autor igre Ivan Bauk @ Programerska sekcija package mine; import java.awt.color; import java.awt.flowlayout; import java.awt.gridlayout; import java.awt.event.actionevent; import java.awt.event.actionlistener;
More informationCS108, Stanford Handout #33. Sockets
CS108, Stanford Handout #33 Fall, 2008-09 Osvaldo Jiménez Sockets Thanks to Nick Parlante for much of this handout Sockets Sockets make network connections between machines, but you just read/write/block
More informationJLayeredPane. Depth Constants in JLayeredPane
JLayeredPane Continuing on Swing Components A layered pane is a Swing container that provides a third dimension for positioning components depth or Z order. The class for the layered pane is JLayeredPane.
More informationWindow Interfaces Using Swing. Chapter 12
Window Interfaces Using Swing 1 Reminders Project 7 due Nov 17 @ 10:30 pm Project 6 grades released: regrades due by next Friday (11-18-2005) at midnight 2 GUIs - Graphical User Interfaces Windowing systems
More informationJAVA PROGRAM EXAMPLE WITH OUTPUT PDF
JAVA PROGRAM EXAMPLE WITH OUTPUT PDF Created By: Umar Farooque Khan 1 How to compile and run java programs Compile: - javac JavaFileName Run Java: - java JavaClassName Let s take an example of java program:
More informationJava Help Files. by Peter Lavin. May 22, 2004
Java Help Files by Peter Lavin May 22, 2004 Overview Help screens are a necessity for making any application user-friendly. This article will show how the JEditorPane and JFrame classes, along with HTML
More information