doubt in assertions

[anveshana bandu]

Hai all

source code---->assert false;

The above code should throw assertion error according to my understanding
but i did not get any assertion error at runtime.

I am using java 1.5 version and tool i am using is jdeveloper..
could you tell me what is the reason??

Thanks in advance..

[Kelvin Chenhao Lim]

You probably did not run your program with assertions enabled. To do that, specify either -ea or -enableassertions as a command-line switch. Assertions are disabled by default.

[anveshana bandu]

Hai kelvin

I have seen a statement saying::

I we are using jdk 1.4 compiler the assertions are disabled by default..
But when we are using jdk 1.5 the assertions are enabled by default.
If that was the case no need to enable assertions ...

Is that statement right??
or still what ever compiler we are using we should enable assertions??
Let me know

Thanks in advance

[Kelvin Chenhao Lim]

You're confusing the behavior of the Java compiler (javac) with that of the Java runtime launcher (java). In both 1.4 and 1.5, the runtime launcher will disable assertions by default. However, the 1.4 compiler does not support assertions by default, whereas the 1.5 compiler does.
[ November 30, 2007: Message edited by: Kelvin Lim ]