Add code examples for Random List Element mini-article

core-java-8/src/test/java/com/baeldung/RandomListElementTest.java

@@ -0,0 +1,18 @@
+package com.baeldung;
+
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Random;
+
+public class RandomListElementTest {
+
+    @Test
+    public void givenList_shouldReturnARandomElement1() throws Exception {
+        List<Integer> givenList = Arrays.asList(1, 2, 3);
+        Random rand = new Random();
+
+        Integer result = givenList.get(rand.nextInt(givenList.size()));
+    }
+}