Alok mishra
Member • Sep 11, 2013
What is Assertion in java ?
What is assertion in java and why it is used ?
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Replies
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Member • Sep 11, 2013
Assertions are generally part of Unit Testing.
You are going to test something which are are you expecting.
Like if you are expecting null then you can assert
assert i==null : "throw this message"
Assertions are bydefault disabled so adding assertions will not affect your run time. but when you need it.
just enable is by sending jvm parameter -ea. example : java -ea <className>
Good one but very less used. everyone is using IDE with debugger.Are you sure? This action cannot be undone. -
Member • Sep 12, 2013
Assertion are used to verify the correctness of an invariant in the code. They should never be triggered in production code, and are indicative of a bug or misuse of a code path.Are you sure? This action cannot be undone.