A Programmer's Guide to Java Certification: A Comprehensive Primer (2nd Edition)

By Khalid Mughal, Rolf Rasmussen

To go the sunlight qualified Programmer for Java 2 Platform 1.4 examination (SCPJ2 1.4) you wish this booklet. it's written for any skilled programmer (with or with no past wisdom of Java) drawn to gaining knowledge of the Java programming language and passing the SCPJ2 1.4 exam.

A Programmer's consultant to Java™ Certification, moment variation , comprises special assurance of all examination issues and pursuits, necessary code examples, workouts, evaluate questions, and a number of other complete perform checks. additionally, as a finished primer to the Java programming language, this booklet is a useful reference instrument for the reader.

This new version has been completely up-to-date to target the newest model of the examination (CX-310-035). particularly, it comprises extra in-depth factors of the syntax and utilization of middle language positive factors which are now emphasised at the examination. The accompanying CD encompasses a model of the SCPJ2 1.4 examination Simulator built by means of Whizlabs software program, such as numerous mock tests and simulates the exam-taking adventure. The CD additionally includes the entire resource code for the entire examples, and suggestions to the programming exercises.

What you will discover during this book:

Extensive assurance of the entire pursuits outlined for the sunlight qualified Programmer for Java 2 Platform 1.4 exam
Easy-to-follow constitution with chapters prepared based on the examination goals as laid out by way of sunlight Microsystems
Summaries that essentially nation and differentiate the examination goals and the supplementary goals to be lined in every one chapter
A record of Sun's goals for the SCPJ2 1.4 examination, and a advisor to taking the exam
A whole mock examination with new questions (not repeats of evaluation questions)
A CD that comes with a number of mock assessments and a model of the SCJP 1.4 examination Simulator through Whizlabs software program, which simulates the exam-taking experience
Numerous exam-relevant overview inquiries to attempt your figuring out of every significant subject, with annotated answers
Programming routines and ideas on the finish of every chapter
Copious code examples illustrating techniques the place the code has been compiled and punctiliously verified on a number of platforms
Program output demonstrating anticipated effects from operating the examples
Extensive use of UML (Unified Modeling Language) for representation purposes
An advent to uncomplicated terminology and ideas in object-oriented programming
Advice on how one can stay away from universal pitfalls in getting to know the language and taking the exam
Platform-independent coverage--platform-specific information are supplied the place relevant
Information concerning the SCPJ2 improve exam

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Working this system: >java shades crimson eco-friendly blue Argument no. zero (red) has three characters. Argument no. 1 (green) has five characters. Argument no. 2 (blue) has four characters. [ group LiB ] . This record was once created through an unregistered ChmMagic, please visit http://www. bisenter. com to sign up . it. thank you [ group LiB ] evaluate Questions three. 25 what is going to be published whilst the next application is administered? public type ParameterPass { public static void main(String[] args) { int i = zero; addTwo(i++); procedure. out. println(i); } static void addTwo(int i) { i += 2; } } decide upon the single right solution. a. zero b. 1 c. 2 d. three three. 26 what is going to be the results of trying to collect and run the next classification? public type Passing { public static void main(String[] args) { int a = zero; int b = zero; int[] bArr = new int[1]; bArr[0] = b; inc1(a); inc2(bArr); process. out. println("a=" + a + " b=" + b + " bArr[0]=" + bArr[0]); } public static void inc1(int x) { x++; } public static void inc2(int[] x) { x[0]++; } } pick out the only right solution. a. The code will fail to collect, due to the fact x[0]++; isn't a criminal assertion. This rfile used to be created via an unregistered ChmMagic, please visit http://www. bisenter. com to sign up . it. thank you b. The code will collect and should print "a=1 b=1 bArr[0]=1" while run. c. The code will collect and may print"a=0 b=1 bArr[0]=1" while run. d. The code will bring together and may print"a=0 b=0 bArr[0]=1" while run. e. three. 27 The code will bring together and should print"a=0 b=0 bArr[0]=0" while run. Given the category // Filename: Args. java public type Args { public static void main(String[] args) { process. out. println(args[0] + " " + args[args. length-1]); } } what stands out as the results of executing the subsequent at the command line? java Args In politics stupidity isn't a handicap decide upon the single right solution. a. this system will throw ArrayIndexOutOfBoundsException. b. this system will print "java handicap". c. this system will print "Args handicap". d. this system will print "In handicap". e. this system will print "Args a". f. this system will print "In a". three. 28 Which statements might reason a compilation errors if inserted within the position indicated within the following application? public category ParameterUse { static void main(String[] args) { int a = zero; ultimate int b = 1; int[] c = { 2 }; ultimate int[] d = { three }; useArgs(a, b, c, d); } static void useArgs(final int a, int b, ultimate int[] c, int[] d) { // INSERT assertion the following. } } choose the 2 right solutions. a. a++; b. b++; c. b = a; This rfile was once created through an unregistered ChmMagic, please visit http://www. bisenter. com to sign up it. thank you d. c[0]++; e. d[0]++; f. c = d; [ workforce LiB ] . This rfile was once created through an unregistered ChmMagic, please visit http://www. bisenter. com to sign up it. thank you [ staff LiB ] bankruptcy precis the subsequent themes have been defined during this bankruptcy: operators in Java, together with priority and associativity ideas style conversions: casting, narrowing and widening: additionally, the unary and binary numeric promotions are acknowledged, and the context below which they're utilized mentioned defining and comparing mathematics and boolean expressions assigning values and assigning references item price equality and item reference equality parameter passing, either primitive values and item references, together with arrays and array parts: moreover, ultimate parameters also are mentioned passing application arguments [ workforce LiB ] .

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