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Java Programming - Assertions - Discussion

Discussion Forum : Assertions - Finding the output (Q.No. 4)
Assertions
4.
What will be the output of the program (when you run with the -ea option) ? 
public class Test 
{  
    public static void main(String[] args) 
    {
        int x = 0;  
        assert (x > 0) : "assertion failed"; /* Line 6 */
        System.out.println("finished"); 
    } 
}
finished
Compilation fails.
An AssertionError is thrown.
An AssertionError is thrown and finished is output.
Answer: Option
Explanation:

An assertion Error is thrown as normal giving the output "assertion failed". The word "finished" is not printed (ensure you run with the -ea option)

Assertion failures are generally labeled in the stack trace with the file and line number from which they were thrown, and also in this case with the error's detail message "assertion failed". The detail message is supplied by the assert statement in line 6.

Discussion:
13 comments Page 2 of 2.
Pragya sharma said:   1 decade ago
Thanks.
Sundar said:   1 decade ago
@All

The given answer is correct only. Don't forget to add -ea option while executing the java code.

I have got the following output:

D:\Java>javac Test.java

D:\Java>java -ea Test
Exception in thread "main" java.lang.AssertionError: assertion failed
at Test.main(Test.java:6)

D:\Java>java Test
finished

I hope the above output will clear your doubts. Have a nice day!
Venkata said:   1 decade ago
"finished" is output
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