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TIOBE - Java Coding Standard

Rule:  Design39Checked automatically with code checker

Synopsis:An Interface should be used only to model a behaviour; consider converting this to a class
Severity Level:3

An interface should be used only to model a behaviour of a class: using an interface as a container of constants is a poor usage pattern. The static import feature should always be considered as a replacement for this practice.
public interface ConstantsInterface {
     public static final int CONSTANT1=0;
     public static final String CONSTANT2="1";