diff --git a/core-java/src/test/java/com/baeldung/threadlocalrandom/ThreadLocalRandomTest.java b/core-java/src/test/java/com/baeldung/threadlocalrandom/ThreadLocalRandomTest.java
new file mode 100644
index 0000000000..37dcdeccf7
--- /dev/null
+++ b/core-java/src/test/java/com/baeldung/threadlocalrandom/ThreadLocalRandomTest.java
@@ -0,0 +1,58 @@
+package com.baeldung.threadlocalrandom;
+
+import java.util.concurrent.ThreadLocalRandom;
+
+import static org.junit.Assert.assertTrue;
+import org.junit.Test;
+
+public class ThreadLocalRandomTest {
+    
+    @Test
+    public void givenUsingThreadLocalRandom_whenGeneratingRandomIntBounded_thenCorrect() {
+        int leftLimit = 1;
+        int rightLimit = 100;
+        int generatedInt = ThreadLocalRandom.current().nextInt(leftLimit, rightLimit);
+        
+        assertTrue(generatedInt < rightLimit && generatedInt >= leftLimit);
+    }
+    
+    @Test
+    public void givenUsingThreadLocalRandom_whenGeneratingRandomIntUnbounded_thenCorrect() {
+        int generatedInt = ThreadLocalRandom.current().nextInt();
+        
+        assertTrue(generatedInt < Integer.MAX_VALUE && generatedInt >= Integer.MIN_VALUE);
+    }
+    
+    @Test
+    public void givenUsingThreadLocalRandom_whenGeneratingRandomLongBounded_thenCorrect() {
+        long leftLimit = 1L;
+        long rightLimit = 100L;
+        long generatedLong = ThreadLocalRandom.current().nextLong(leftLimit, rightLimit);
+        
+        assertTrue(generatedLong < rightLimit && generatedLong >= leftLimit);
+    }
+    
+    @Test
+    public void givenUsingThreadLocalRandom_whenGeneratingRandomLongUnbounded_thenCorrect() {
+        long generatedInt = ThreadLocalRandom.current().nextLong();
+        
+        assertTrue(generatedInt < Long.MAX_VALUE && generatedInt >= Long.MIN_VALUE);
+    }
+    
+    @Test
+    public void givenUsingThreadLocalRandom_whenGeneratingRandomDoubleBounded_thenCorrect() {
+        double leftLimit = 1D;
+        double rightLimit = 100D;
+        double generatedInt = ThreadLocalRandom.current().nextDouble(leftLimit, rightLimit);
+        
+        assertTrue(generatedInt < rightLimit && generatedInt >= leftLimit);
+    }
+    
+    @Test
+    public void givenUsingThreadLocalRandom_whenGeneratingRandomDoubleUnbounded_thenCorrect() {
+        double generatedInt = ThreadLocalRandom.current().nextDouble();
+        
+        assertTrue(generatedInt < Double.MAX_VALUE && generatedInt >= Double.MIN_VALUE);
+    }
+
+}
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