By Philip Heller

ISBN-10: 0782140777

ISBN-13: 9780782140774

Are looking to triumph over of the main tough programmer certifications? the hot variation of the best-selling whole Java 2 Certification examine advisor is the source you would like. Authors Philip Heller and Simon Roberts, builders of Sun's Programmer and Developer assessments for the Java 2 Platform, offer you every little thing you must go the tests the 1st time. This absolutely revised variation is up to date for the adjustments in either tests, together with insurance of latest goals for J2SE 1.4, a brand new emphasis on Swing and RMI, and knowledge for tackling the hot structure of the Developer examination. The booklet can be more suitable with all-new beneficial properties from Sybex's market-leading learn publications, together with examination crucial sections to augment key topic components and real-world situation sidebars with pattern programming assignments. The better half CD comprises all of the evaluate questions from the e-book, a convention programmer's examination, and a hundred and fifty random-test questions, together with a hundred new questions. The CD additionally features a absolutely searchable digital variation of the ebook.

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The two floating-point primitive data types are float and double. The char type is unsigned and represents a Unicode character. com 26 Chapter 1 Language Fundamentals The boolean type may only take on the values true and false. Arrays must be (in order): 1. Declared 2. Constructed 3. Initialized Default initialization is applied to both member variables and array elements, but not automatic variables. The default values are 0 for numerical types, the null value for object references, the null character for char, and false for boolean.

Depends on the underlying hardware B. 0 through 28 − 1 C. 0 through 216 − 1 D. −27 through 27 − 1 E. com Chapter 2 Operators and Assignments JAVA CERTIFICATION EXAM OBJECTIVES COVERED IN THIS CHAPTER: Determine the result of applying any operator (including assignment operators and instanceof) to operands of any type, class, scope, or accessibility, or any combination of these. Object. In an expression involving the operators &, |, &&, || and variables of known values, state which operands are evaluated and the value of the expression.

Com 28 Chapter 1 Language Fundamentals 5. Consider the following line of code: int[] x = new int[25]; After execution, which statements are true? ) A. x[24] is 0. B. x[24] is undefined. C. x[25] is 0. D. x[0] is null. E. length is 25. 6. Consider the following application: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. held++; } } What value is printed out at line 6? A. 0 B. 1 C. 100 D. com Test Yourself 29 7. Consider the following application: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14.

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Complete Java 2 certification study guide by Philip Heller

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