A Programmer's Guide to Java Certification: A Comprehesive by Khalid Mughal, Rolf Rasmussen

By Khalid Mughal, Rolf Rasmussen

To go the solar 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 out earlier wisdom of Java) attracted to learning the Java programming language and passing the SCPJ2 1.4 exam.A Programmer's advisor to JavaT Certification, moment version, comprises distinct assurance of all examination subject matters and goals, invaluable code examples, routines, assessment questions, and a number of other complete perform tests. additionally, as a complete primer to the Java programming language, this booklet is a useful reference instrument for the reader.This re-creation 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 gains which are now emphasised at the examination. The accompanying CD encompasses a model of the SCPJ2 1.4 examination Simulator constructed by way of Whizlabs software program, including numerous mock checks and simulates the exam-taking event. The CD additionally comprises the whole resource code for all of the examples, and ideas to the programming exercises.What you will discover during this book:# vast insurance of the entire ambitions outlined for the sunlight qualified Programmer for Java 2 Platform 1.4 examination# Easy-to-follow constitution with chapters prepared in response to the examination goals as laid out by way of solar Microsystems# Summaries that sincerely nation and differentiate the examination ambitions and the supplementary pursuits to be lined in every one bankruptcy# an inventory of Sun's ambitions for the SCPJ2 1.4 examination, and a advisor to taking the examination# a whole mock examination with new questions (not repeats of evaluation questions)# A CD that comes with a number of mock checks and a model of the SCJP 1.4 examination Simulator by means of Whizlabs software program, which simulates the exam-taking event# quite a few exam-relevant assessment inquiries to attempt your realizing of every significant subject, with annotated solutions# Programming routines and strategies on the finish of every bankruptcy# Copious code examples illustrating options the place the code has been compiled and punctiliously proven on a number of systems# software output demonstrating anticipated effects from working the examples# huge use of UML (Unified Modeling Language) for representation reasons# An advent to easy terminology and ideas in object-oriented programming# recommendation on how you can keep away from universal pitfalls in getting to know the language and taking the examination# Platform-independent assurance - platform-specific information are supplied the place proper# information regarding the SCPJ2 improve examination

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2 Which statement is true about an object? Select the one correct answer. a. An object is what classes are instantiated from. b. An object is an instance of a class. c. An object is a blueprint for creating concrete realization of abstractions. d. An object is a reference to an attribute. e. An object is a variable. 3 Which line contains a constructor in this class definition? 37 38 public class Counter { int current, step; // (1) public Counter(int startValue, int stepValue) { set(startValue); setStepValue(stepValue); } // (2) public int get() { return current; } // (3) public void set(int value) { current = value; } // (4) public void setStepValue(int stepValue) { step = stepValue; } // (5) } Select the one correct answer.

5 Which statement is true about an instance method? Select the one correct answer. a. An instance member is also called a static member. b. An instance member is always a field. c. An instance member is never a method. d. An instance member belongs to an instance, not to the class as a whole. e. An instance member always represents an operation. 6 How do objects pass messages in Java? Select the one correct answer. a. They pass messages by modifying each other's fields. b. They pass messages by modifying the static variables of each other's classes.

C. Three objects are created. d. One reference variable is created. e. Two reference variables are created. f. Three reference variables are created. 5 Which statement is true about an instance method? Select the one correct answer. a. An instance member is also called a static member. b. An instance member is always a field. c. An instance member is never a method. d. An instance member belongs to an instance, not to the class as a whole. e. An instance member always represents an operation. 6 How do objects pass messages in Java?

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