Sample Quiz For Testing
2 Questions
| Attempts: 30
Sample for testing formatting.
Questions and Answers
- 1.
Given: 5. enum Towns1{NY, LA, SF} 6. 7. public class DeclareEnum { 8. 9. enum Towns2{NY, LA, SF}; 10. 11. public static void main(String [] args) { 12. enum Towns3{NY, LA, SF}; 13. } 14. } What is the result?
- A.
The code compiles.
- B.
Compilation fails due to an error on line 5.
- C.
Compilation fails due to an error on line 9.
- D.
Compilation fails due to an error on line 12.
- E.
Compilation fails due to errors on lines 5 and 12.
Correct Answer
D. Compilation fails due to an error on line 12.Explanation
An enum may NOT be declared in a method. Reference
JLS 3.0, 8.9. Objective 1.1Rate this question:
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- 2.
Given three different source files: 1. package com.sun2; 2. public enum Seasons {SUMMER, FALL, WINTER, SPRING } And: 1. import com.sun2.Seasons; 2. class Enum3a { 3. Seasons s = Seasons.FALL; 4. } And: 1. import com.sun2.*; 2. class Enum3b { 3. Seasons s = Seasons.FALL; 4. } Which is true?
- A.
Both classes, Enum3a and Enum3b, will compile.
- B.
Neither class, Enum3a nor Enum3b, will compile.
- C.
Class Enum3a will compile, class Enum3b will NOT compile.
- D.
Class Enum3b will compile, class Enum3a will NOT compile.
Correct Answer
A. Both classes, Enum3a and Enum3b, will compile.Explanation
Option A is correct. An enum can be imported. Reference JLS 3.0, 8.9. Objective 1.1Rate this question:
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Current Version
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Dec 31, 2012Quiz Edited by
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May 11, 2009Quiz Created by
Terogers
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