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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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SingularField

SingularField

Fields whose scopes are limited to just single methods do not rely on the containing object to provide them to other methods. They may be better implemented as local variables within those methods.
This rule is defined by the following Java class: net.sourceforge.pmd.lang.java.rule.design.SingularFieldRule
Example(s):


public class Foo {
    private int x;  // no reason to exist at the Foo instance level
    public void foo(int y) {
     x = y + 5;
     return x;
    }
}