Java习题一到十章详解及选择题总结
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更新于2024-03-15
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Chapter 1-10 of the "JAVA Exercise.doc" consists of a series of Java practice questions ranging from basic to advanced levels. These exercises cover a wide range of topics including data types, loops, arrays, functions, classes, and object-oriented programming. Each chapter focuses on a specific aspect of Java programming and provides a set of exercises to test and strengthen the reader's understanding of the concepts.
In Chapter 12, a series of multiple-choice questions are presented to test the reader's knowledge of Java platform, JVM, language features, and Java programming basics. These questions cover topics such as the different Java platforms (J2ME, J2EE, IDE, J2SE), bytecode execution, multithreading, and Java applet integration with web pages. The questions are designed to challenge the reader's comprehension of Java programming principles and help them identify areas for improvement.
Overall, the "JAVA Exercise.doc" provides a comprehensive set of exercises and multiple-choice questions to help readers enhance their Java programming skills. The exercises are structured to cover a wide range of topics and difficulty levels, making it suitable for both beginners and experienced Java developers. By completing these exercises, readers can deepen their understanding of Java programming concepts and strengthen their problem-solving skills in the language.
16. }
17. System.out.println("j="+j);
What is the result?
A. j = -1 B. j = 0 C. j = 1 D. j = 2 E. Compilation fails.
(10)Given:
11. Float f = new Float("12");
12. switch (f) {
13. case 12: System.out.println("Twelve");
14. case 0: System.out.println("Zero");
15. default: System.out.println("Default");
16. }
What is the result?
A. Zero B. Twelve C. Default D. Twelve Zero Default
E. Compilation fails.
(11)Given:
11. for (int i =0; i <3; i++) {
12. switch(i) {
13. case 0: break;
14. case 1: System.out.print("one ");
15. case 2: System.out.print("two ");
16. case 3: System.out.print("three ");
17. }
18. }
19. System.out.println("done");
What is the result?
A. done B. one two done C. one two three done
D. one two three two three done E. Compilation fails.
(12)Given:
11. public void test(int x) {
12. int odd = x%2;
13. if (odd) {
14. System.out.println("odd);
15. } else {
16. System.out.println("even");
17. }
18. }
Which statement is true?
A. Compilation fails. B. "odd" will always be output.
C. "even" will always be output.
D. "odd" will be output for odd values of x, and "even" for even values.
E. "even" will be output for add values of x, and "odd" for even values.
(13)Given:
11. switch(x) {
12. default:
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