diff --git a/core-java-modules/core-java-arrays-guides/src/test/java/com/baeldung/print2DArrays/Print2DArraysTest.java b/core-java-modules/core-java-arrays-guides/src/test/java/com/baeldung/print2DArrays/Print2DArraysTest.java
new file mode 100644
index 0000000000..7fd8211926
--- /dev/null
+++ b/core-java-modules/core-java-arrays-guides/src/test/java/com/baeldung/print2DArrays/Print2DArraysTest.java
@@ -0,0 +1,35 @@
+package com.baeldung.print2DArrays;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class ArrayPrinterTest {
+
+    @Test
+    public void testPrint2DNested() {
+        int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
+        String expectedOutput = "1 2 3 \n4 5 6 \n7 8 9 \n";
+        assertEquals(expectedOutput, ArrayPrinter.print2DNested(myArray));
+    }
+
+    @Test
+    public void testPrint2DStream() {
+        int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
+        String expectedOutput = "1 2 3 4 5 6 7 8 9 ";
+        assertEquals(expectedOutput, ArrayPrinter.print2DStream(myArray));
+    }
+
+    @Test
+    public void testPrint2DDeepToString() {
+        int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
+        String expectedOutput = "[[1, 2, 3], [4, 5, 6], [7, 8, 9]]\n";
+        assertEquals(expectedOutput, ArrayPrinter.print2DDeepToString(myArray));
+    }
+
+    @Test
+    public void testPrintArrayString() {
+        int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
+        String expectedOutput = "[1, 2, 3]\n[4, 5, 6]\n[7, 8, 9]\n";
+        assertEquals(expectedOutput, ArrayPrinter.printArrayString(myArray));
+    }
+}