SEI CERT Oracle Coding Standard for Java

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changes.mady.by.user Winfried Gerlach

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Comment: REM cost reform

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Ignoring method return values can lead to unexpected program behavior.

Rule

Severity

Likelihood

Detectable

RepairableRemediation Cost

Priority

Level

EXP00-J

Medium

Probable

Yes

MediumNo

P8

L2

Automated Detection

Tool
Version
Checker
Description
CodeSonar
Include Page
CodeSonar_V
CodeSonar_V

JAVA.NULL.RET.UNCHECKED
JAVA.FUNCS.IRV

Call Might Return Null (Java)
Ignored Return Value (Java)

Coverity7.5CHECKED_RETURNImplemented
Klocwork

Include Page
Klocwork_V
Klocwork_V

RI.IGNOREDCALL
RR.IGNORED
Parasoft Jtest
Include Page
Parasoft_V
Parasoft_V
CERT.EXP00.NASSIG
CERT.EXP00.AECB
Ensure method and constructor return values are used
Avoid "try", "catch" and "finally" blocks with empty bodies
PVS-Studio

Include Page
PVS-Studio_V
PVS-Studio_V

V6010, V6101
SonarQube
Include Page
SonarQube_V
SonarQube_V

S2201

S899

Return values from functions without side effects should not be ignored

Return values should not be ignored when they contain the operation status code

SpotBugs

Include Page
SpotBugs_V
SpotBugs_V

RV_RETURN_VALUE_IGNORED
RV_RETURN_VALUE_IGNORED_INFERRED
RV_RETURN_VALUE_IGNORED_NO_SIDE_EFFECT
RV_RETURN_VALUE_IGNORED_BAD_PRACTICE
RV_RETURN_VALUE_OF_PUTIFABSENT_IGNORED
RR_NOT_CHECKED
SR_NOT_CHECKED

Implemented

Related Guidelines

SEI CERT C Coding Standard

EXP12-C. Do not ignore values returned by functions

SEI CERT C++ Coding Standard

VOID EXP12-CPP. Do not ignore values returned by functions or methods

ISO/IEC TR 24772:2010

Passing Parameters and Return Values [CSJ]

MITRE CWE

CWE-252, Unchecked Return Value

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