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

AbstractClassWithoutAnyMethod
If the abstract class does not provides any methods, it may be just a data container that is not to be instantiated. In this case, it's probably
			better to use a private or a protected constructor in order to prevent instantiation than make the class misleadingly abstract.
            
        

		
		
		    
    			
This rule is defined by the following XPath expression:
    			
    			
    
                    
//ClassOrInterfaceDeclaration[
	(@Abstract = 'true')
	and
	(count(//MethodDeclaration) + count(//ConstructorDeclaration) = 0)
]
                    
                
  
		    
		    
	    
	    
        
        
        
Example:
            
    
                
            
public class abstract Example {
	String field;
	int otherField;
}