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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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Optimization_Rules


Optimization_Rules
imization_Rules">Optimization Rules
                            
                                 LocalVariableCouldBeFinal: 
A local variable assigned only once can be declared final.
      
                            
                                 MethodArgumentCouldBeFinal: 
A method argument that is never assigned can be declared final.
      
                            
                                 AvoidInstantiatingObjectsInLoops: 
Detects when a new object is created inside a loop
    
                            
                                 UseArrayListInsteadOfVector: 
ArrayList is a much better Collection implementation than Vector.
      
                            
                                 SimplifyStartsWith: 
Since it passes in a literal of length 1, this call to String.startsWith can be rewritten using String.charAt(0) to save some time.
      
                            
                                 UseStringBufferForStringAppends: 
Finds usages of += for appending strings.
           
                            
                                 UseArraysAsList: 
   The class java.util.Arrays has a "asList" method that
   should be use when you want to create a new List from
   an array of objects. It is faster than executing a loop to
   cpy all the elements of the array one by one
     
                            
                                 AvoidArrayLoops: 
    Instead of copying data between two arrays, use
    System.arraycopy method
      
                            
                                 UnnecessaryWrapperObjectCreation: 
Parsing method should be called directy instead.
      
                            
                                 AddEmptyString: 
Finds empty string literals which are being added. This is an inefficient way 
to convert any type to a String.