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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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UseSingleton


UseSingleton
If you have a class that has nothing but static methods, consider making it a Singleton.
Note that this doesn't apply to abstract classes, since their subclasses may
well include non-static methods.  Also, if you want this class to be a Singleton,
remember to add a private constructor to prevent instantiation.
		
    
		
		
		    
		    
    		    
    		    
    		    

    		    This rule is defined by the following Java class:
    		    net.sourceforge.pmd.rules.design.UseSingleton
    		    
		    
	    
	    
        
        
        Example:
            
                    

public class MaybeASingleton {
 public static void foo() {}
 public static void bar() {}
}