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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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LoggerIsNotStaticFinal


LoggerIsNotStaticFinal
In most cases, the Logger can be declared static and final.
     
		
		
		    
    			This rule is defined by the following XPath expression:
    			
    			
                     
//VariableDeclarator
 [parent::FieldDeclaration]
 [../Type/ReferenceType
  /ClassOrInterfaceType[@Image='Logger']
   and
  (..[@Final='false'] or ..[@Static = 'false'] ) ]
                
             
  
		    
		    
	    
	    
        
        
        Example:
            
                    
 
class Foo{
    Logger log = Logger.getLogger(Foo.class.getName());
    // It is much better to declare the logger as follows 
    // static final Logger log = Logger.getLogger(Foo.class.getName());
}