values have two types: • the type they were created as • the Object type COMP 102 26/27:10 Variables‚ fields‚ array elements are all defined with a type What types are there • primitive types: int‚ double‚ boolean‚ long‚ float‚ char‚ .. note: java will "coerce" some types into other types: double number = 4; • Object types: Every class • Arrays : int[ ]‚ double[ ][ ]‚ Balloon[ ]‚ defines a type • Predefined: String‚ Color‚ File‚ Scanner‚ … • Programmer defined: CartoonFigure‚ Balloon‚ BalloonGame
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COMPUTER ASSIGNMENT FA-3 DONE BY: FAHAD.I.MULLA ROLL NO.: 11 CLASS: IX SUBMITTED TO: JAFAR SIR SOFTWARE: AVAST! INTRODUCTION:- Avast! (styled avast!) is a premium antivirus computer program available to Microsoft Windows‚ Mac OS X and Linux users‚ with a user interface available in 41 languages. The name Avast is an acronym of "Anti-Virus – Advanced Set". The official‚ and current logo of Avast! is a white orb with the letter ’a’ on it and an orange circle around it‚ sticking out to four
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310-065 Sun Certified Programmer for the Java 2 Platform.SE 6.0 Exam: 310-065 Edition: 3.0 © 2008 - 2009 Test Killer‚ LTD All Rights Reserved 1 http://www.testkiller.com http://www.troytec.com 310-065 QUESTION: 1 Given: 1. public class Threads2 implements Runnable { 2. 3. public void run() { 4. System.out.println("run."); 5. throw new RuntimeException("Problem"); 6. } 7. public static void main(String[] args) { 8. Thread t = new Thread(new Threads2()); 9. t.start(); 10. System.out
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all of which should have become less important due to changes in the last few years Nevertheless‚ there are some disadvantages where less (or even no) progress has been made: • Decreased system / software performance With many OOPLs (such as Java) being interpreted‚ rather than compiled into native machine code‚ run-time speeds are impaired Problems with dynamic memory allocation (the method used to create objects)‚ means that either more memory is used-up on garbage‚ or that the system
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types while call by reference method does not create a new copy rather works on the reference of actual arguments and changes made to them in the called function are reflected in the calling function. They work for reference data types. (d) Write java expression for √2as+u2 [2] Ans. double d= Math.sqrt((2*a*s + u*u)); (e) Name the type of error (syntax‚ runtime or logical error) in each case given below: [2] Ans. (i) Division by a variable that contains a value of zero : Runtime
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events Design-time and run-time attributes Integrated documentation using XML C# – The Big Ideas Enables one-stop programming No header files‚ IDL‚ etc. Can be embedded in web pages Everything really is an object Traditional views C++‚ Java: Primitive types are “magic” and do not interoperate with objects Smalltalk‚ Lisp: Primitive types are objects‚ but at great performance cost C# – The Big Ideas C# unifies with no performance cost Deep simplicity throughout system Improved
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EBS PROGRAMME – RISEBA Management of Information Systems Assignment Tutor: Sandra Andermane Student: Pedro Garcia Garcia (ERASMUS EXCHANGE STUDENT) Case study: ’MetLife Selects the Best Technologies around the Globe’. 1. What challenges did MetLife face in deploying a global platform for its information systems‚ and how did they resolve them? The challenges MetLife faced are disparate systems‚ high complexity and U.S. Centric thinking. MetLife resolved them by acquiring a system
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Java Applications for a Bluetooth Platform By Benjamin Williams 2002 School of Information Technology and Electrical Engineering The University of Queensland Benjamin Williams 5 Garson Place MC DOWALL‚ BRISBANE 4053 Ph. (07) 33533607 Mobile. 3842662046 s354399@student.uq.edu.au To the Head School of Information Technology and Electrical Engineering The University of Queensland St Lucia‚ QLD 4072 Dear Professor Kaplan‚ In accordance with the requirements of the degree of Bachelor of Engineering
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Spring Framework Tutorial Isabelle Muszynski 15 April 2003 Chapter 1 Introduction This tutorial covers the main packages in the Spring Framework. For full details‚ we refer you to Rod Johnson’s book‚ Expert One-on-One J2EE Design and Development‚ published by Wrox Press in 2002. The book’s ISBN number is 1-86100-784-1. The code for the Spring Framework is contained in package com.interface21. We provide UML diagrams for the subpackages‚ as well as code samples. 1.1 Setting up for the
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APPENDIX L Answers to Odd-Numbered Review Questions Chapter 1 Multiple Choice 1. b 3. a 5. b 7. c 9. a 11. a 13. b Find the Error 1. The algorithm performs the math operation at the wrong time. It multiplies width by length before getting values for those variables. Algorithm Workbench 1. Display “What is the customer’s maximum amount of credit?” Input maxCredit. Display “What is the amount of credit used by the customer?” Input
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