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resources.report.rules.pmd.UseSingleton.html Maven / Gradle / Ivy

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() {}
}