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Java Tutorial : Java method overriding(Inherited instance method)

Animal.java

public interface Animal
{
    void run();
}

Tiger.java

public class Tiger 
{
    public void run()
    {
        System.out.println("Tiger runs fast.");
    }
}

WhiteTiger.java

public class WhiteTiger extends Tiger implements Animal
{

}

public class MethodOverrideTest
{

    public static void main(String[] args)
    {
        WhiteTiger whiteTigerObj = new WhiteTiger();
        whiteTigerObj.run();
    }

}