of5_2 lf

foreksempel/src/main/java/of5_2/lf/DogPredicate.java

+package of5_2.lf;
+
+import java.util.function.Predicate;
+
+public class DogPredicate implements Predicate<Animal>{
+
+    @Override
+    public boolean test(Animal t) {
+        return t instanceof Dog;
+    }
+
+    
+}