This site is the archived OWASP Foundation Wiki and is no longer accepting Account Requests.
To view the new OWASP Foundation website, please visit https://owasp.org
Code Correctness: null Argument to equals()
From OWASP
#REDIRECT Failure to follow guideline/specification
Last revision (mm/dd/yy): 04/7/2009
[hide]
Description
The expression obj.equals(null) should always be false.
The program uses the equals() method to compare an object with null. The contract of the equals() method requires this comparison to always return false[1].
Risk Factors
TBD
Examples
TBD
Related Attacks
Related Vulnerabilities
Related Controls
Related Technical Impacts
References
- Sun JavaDoc for Object. http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html#equals(java.lang.Object)
