Specifications

Sun Services
Java™ Programming Language Module 8, slide 20 of 25
Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. Sun Services, Revision F
Assertions
• Syntax of an assertion is:
assert <boolean_expression> ;
assert <boolean_expression> : <detail_expression> ;
•If< boolean_expression > evaluates false, then an
AssertionError is thrown.
• The second argument is converted to a string and used
as descriptive text in the AssertionError message.