moved files to article-specific folder

core-java-modules/core-java-lang-oop-types-2/src/main/java/com/baeldung/enums/Direction.java

@@ -1,25 +1,11 @@
 package com.baeldung.enums;
 
-import java.util.Random;
-
 /**
  * Represents directions.
  */
 public enum Direction {
     EAST, WEST, SOUTH, NORTH;
 
-    private static final Random PRNG = new Random();
-
-    /**
-     * Generate a random direction.
-     *
-     * @return a random direction
-     */
-    public static Direction randomDirection() {
-        Direction[] directions = values();
-        return directions[PRNG.nextInt(directions.length)];
-    }
-
     /**
      * Finds direction by name.
      *

core-java-modules/core-java-lang-oop-types-2/src/main/java/com/baeldung/enums/randomenum/Direction.java

@@ -0,0 +1,22 @@
+package com.baeldung.enums.randomenum;
+
+import java.util.Random;
+
+/**
+ * Represents directions.
+ */
+public enum Direction {
+    EAST, WEST, SOUTH, NORTH;
+
+    private static final Random PRNG = new Random();
+
+    /**
+     * Generate a random direction.
+     *
+     * @return a random direction
+     */
+    public static Direction randomDirection() {
+        Direction[] directions = values();
+        return directions[PRNG.nextInt(directions.length)];
+    }
+}

core-java-modules/core-java-lang-oop-types-2/src/main/java/com/baeldung/enums/randomenum/RandomEnumGenerator.java

@@ -0,0 +1,17 @@
+package com.baeldung.enums.randomenum;
+
+import java.util.Random;
+
+public class RandomEnumGenerator<T extends Enum<T>> {
+
+    private static final Random PRNG = new Random();
+    private final T[] values;
+
+    public RandomEnumGenerator(Class<T> e) {
+        values = e.getEnumConstants();
+    }
+
+    public T randomEnum() {
+        return values[PRNG.nextInt(values.length)];
+    }
+}

core-java-modules/core-java-lang-oop-types-2/src/test/java/com/baeldung/enums/randomenum/RandomEnumUnitTest.java

@@ -1,12 +1,8 @@
-package com.baeldung.enums;
+package com.baeldung.enums.randomenum;
 
-import org.assertj.core.api.Assertions;
 import org.junit.Test;
 
-import java.util.Optional;
-
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
 
 public class RandomEnumUnitTest {