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Sanity4J was created to simplify running multiple static code analysis tools on the Java projects. It provides a single entry point to run all the selected tools and produce a consolidated report, which presents all findings in an easily accessible manner.

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AppendCharacterWithChar

AppendCharacterWithChar

Avoid concatenating characters as strings in StringBuffer/StringBuilder.append methods.
This rule is defined by the following Java class: net.sourceforge.pmd.lang.java.rule.strings.AppendCharacterWithCharRule
Example(s):



StringBuffer sb = new StringBuffer();
sb.append("a");		 // avoid this

StringBuffer sb = new StringBuffer();
sb.append('a');		// use this instead


This rule has the following properties:


    
Name
Default Value
Description
    
        

            
violationSuppressRegex

Suppress violations with messages matching a regular expression
        
    
        

            
violationSuppressXPath

Suppress violations on nodes which match a given relative XPath expression.

Name	Default Value	Description
violationSuppressRegex		Suppress violations with messages matching a regular expression
violationSuppressXPath		Suppress violations on nodes which match a given relative XPath expression.