1. Home
  2. Misc
  3. A programmer's guide to Java Certification

Review Questions

graphics/rq_icon.gif

2.1

Which of the following is not a legal identifier?

Select the one correct answer.

  1. a2z

  2. ödipus

  3. 52pickup

  4. _class

  5. ca$h

  6. total#

2.2

Which statement is true?

Select the one correct answer.

  1. new and delete are keywords in the Java language.

  2. try, catch, and thrown are keywords in the Java language.

  3. static, unsigned, and long are keywords in the Java language.

  4. exit, class, and while are keywords in the Java language.

  5. return, goto, and default are keywords in the Java language.

  6. for, while, and next are keywords in the Java language.

2.3

Is this a complete and legal comment?

/* // */

Select the one correct answer.

  1. No, the block comment (/* ... */) is not ended since the single-line comment (// ...) comments out the closing part.

  2. It is a completely valid comment. The // part is ignored by the compiler.

  3. This combination of comments is illegal and the compiler will reject it.



    		List of Figures
    		List of Tables
    		List of Examples
    		Foreword
    		Preface
    		Chapter 1. Basics of Java Programming
    		Chapter 2. Language Fundamentals
    		2.1 Basic Language Elements
    		Review Questions
    		2.2 Primitive Data Types
    		Review Questions
    		2.3 Variable Declarations
    		2.4 Initial Values for Variables
    		Review Questions
    		2.5 Java Source File Structure
    		Review Questions
    		2.6 The 'main()' Method
    		Review Questions
    		Chapter Summary
    		Programming Exercises
    		Chapter 3. Operators and Assignments
    		Chapter 4. Declarations and Access Control
    		Chapter 5. Control Flow, Exception Handling, and Assertions
    		Chapter 6. Object-oriented Programming
    		Chapter 7. Nested Classes And Interfaces
    		Chapter 8. Object Lifetime
    		Chapter 9. Threads
    		Chapter 10. Fundamental Classes
    		Chapter 11. Collections and Maps
    		Appendix A. Taking the SCPJ2 1.4 Exam
    		Appendix B. Objectives for the SCPJ2 1.4 Exam
    		Appendix C. Objectives for the Java 2 Platform Upgrade Exam
    		Appendix D. Annotated Answers to Review Questions
    		Appendix E. Solutions to Programming Exercises
    		Appendix F. Mock Exam
    		Appendix G. Number Systems and Number Representation
    		Appendix H. About the CD
    		Single-User License Agreement