Java syntax: Difference between revisions

Revision as of 09:52, 22 December 2015

Revision as of 09:53, 22 December 2015

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===<code>assert</code> statement===

<code>assert</code> statements have been available since [[J2SE 1.4]]. These types of statements are used to make [[assertion (computing)|assertion]]s in the source code, which can be turned on and off during execution for specific classes or packages. To declare an assertion the <code>assert</code> keyword is used followed by a conditional expression. If it evaluates to <code>false</code> during when the statement is executed, an exception is thrown. This statement maycan include a colon followed by another expression, which will act as the exception's detail message.

<source lang=Java5>