Discussion :: Assertions
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Which of the following statements is true?
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A.
If assertions are compiled into a source file, and if no flags are included at runtime, assertions will execute by default.
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B.
As of Java version 1.4, assertion statements are compiled by default.
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C.
With the proper use of runtime arguments, it is possible to instruct the VM to disable assertions for a certain class, and to enable assertions for a certain package, at the same time.
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D.
When evaluating command-line arguments, the VM gives -ea flags precedence over -da flags.
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Answer : Option C
Explanation :
Option C is true because multiple VM flags can be used on a single invocation of a Java program.
Option A is incorrect because at runtime assertions are ignored by default.
Option B is incorrect because as of Java 1.4 you must add the argument -source 1.4 to the command line if you want the compiler to compile assertion statements.
Option D is incorrect because the VM evaluates all assertion flags left to right.
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