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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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UseUtilityClass

UseUtilityClass

For classes that only have static methods, consider making them utility classes. 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 utility class, remember to add a private constructor to prevent instantiation. (Note, that this use was known before PMD 5.1.0 as UseSingleton).
This rule is defined by the following Java class: net.sourceforge.pmd.lang.java.rule.design.UseUtilityClassRule
Example(s):



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