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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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LocalVariableCouldBeFinal


LocalVariableCouldBeFinal
A local variable assigned only once can be declared final.
      
		
		
		    
		    
    		    
    		    
    		    

    		    This rule is defined by the following Java class:
    		    net.sourceforge.pmd.rules.optimization.LocalVariableCouldBeFinal
    		    
		    
	    
	    
        
        
        Example:
            
                    
  
public class Bar {
 public void foo () {
  String a = "a"; //if a will not be assigned again it is better to do this:
  final String b = "b";
 }
}