# Review Questions 10.1 Given the following program, which lines will print 11 exactly? ```class MyClass { public static void main(String[] args) { double v = 10.5; System.out.println(Math.ceil(v)); // (1) System.out.println(Math.round(v)); // (2) System.out.println(Math.floor(v)); // (3) System.out.println((int) Math.ceil(v)); // (4) System.out.println((int) Math.floor(v)); // (5) } } ``` Select the two correct answers. The line labeled (1).The line labeled (2).The line labeled (3).The line labeled (4).The line labeled (5). 10.11 Which method is not defined in the Math class? Select the one correct answer. double tan2(double)double cos(double)int abs(int a)double ceil(double)float max(float, float) 10.12 What is the return type of the method round(float) from the Math class? Select the one correct answer. intfloatdoubleIntegerFloat 10.13 What is the return type of the method ceil(double) from the Math class? Select the one correct answer. intfloatdoubleIntegerDouble 10.14 What will the following program print when run? ```public class Round { public static void main(String[] args) { System.out.println(Math.round(-0.5) + " " + Math.round(0.5)); } }; ``` Select the one correct answer. 0 00 1-1 0-1 1None of the above. 10.15 Which statements are true about the expression ((int)(Math.random()*4))? Select the three correct answers. It may evaluate to a negative number.It may evaluate to the number 0.The probability of it evaluating to the number 1 or the number 2 is the same.It may evaluate to the number 3.It may evaluate to the number 4.  List of Figures  List of Tables  List of Examples  Foreword  Preface  Chapter 1. Basics of Java Programming  Chapter 2. Language Fundamentals  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  10.1 Overview of the 'java.lang' Package  10.2 The 'Object' Class  Review Questions  10.3 The Wrapper Classes  Review Questions  10.4 The 'Math' Class  Review Questions  10.5 The 'String' Class  Review Questions  10.6 The 'StringBuffer' Class  Review Questions  Chapter Summary  Programming Exercises  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