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Assertions mock exam question
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Poonam Thawani
Greenhorn
Joined: Oct 11, 2005
Posts: 13
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Question
1. public class Test {
2. public static void main(String[] args) {
3. int x = 0;
4. assert (x > 0): "assertion failed";
5. System.out.println("finished");
6. }
7. }
What is the result and why?
A. finished
B. Compilation fails.
C. An AssertionError is thrown.
D. An AssertionError is thrown and finished is output.
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Niranjan Deshpande
Ranch Hand
Joined: Oct 16, 2005
Posts: 1277
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Answer is C. once AssertionError is thrown the string given in the assert's 2nd statement will be printed
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SCJP 1.4 - 95% [ My Story ] - SCWCD 1.4 - 91% [ My Story ]
Performance is a compulsion, not a option, if my existence is to be justified.
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jiju ka
Ranch Hand
Joined: Oct 12, 2004
Posts: 302
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Yes answer is C
Got
Exception in thread "main" java.lang.AssertionError: assertion failed
at Test.main(Test.java:4)
When run in -ea mode and compiled with -source 1.4
Printed Finished
When run in -da mode
ea stand for enable assertion and da stands for disable assertion.
[ December 29, 2005: Message edited by: jiju ka ]
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subject: Assertions mock exam question
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