SingularField

This field is used in only one method and the first usage is assigning a value to the field. This probably means that the field can be changed to a local variable.

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

Example:

                
public class Foo {
    private int x;  //Why bother saving this?
    public void foo(int y) {
     x = y + 5;
     return x;
    }
}
   
            

This rule has the following properties:

NameDefault valueDescription
CheckInnerClasses Check inner classes
DisallowNotAssignment Disallow violations where the first usage is not an assignment