This PR is related to BAEL-8299 (eugenp#17234)

* This commit is related to BAEL-8299

This commit aims to add a Java class to the module.

* Update UpdatingValuesUnitTest.java

* Update UpdatingValuesUnitTest.java

* Update UpdatingValuesUnitTest.java

Author: BenHelmyBen

json-modules/json-arrays/updatingvaluesinjsonarray/UpdatingValuesUnitTest.java

@@ -0,0 +1,65 @@
+package com.baeldung.updatingvaluesinjsonarray;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.TextNode;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonParser;
+import com.google.gson.JsonPrimitive;
+import org.json.JSONArray;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class UpdatingJsonArrayValuesUnitTest {
+
+    @Test
+    public void givenJSONArray_whenUsingOrgJson_thenArrayCreatedAndVerified() {
+        JSONArray jsonArray = new JSONArray().put("Apple").put("Banana").put("Cherry");
+
+        assertEquals("[\"Apple\",\"Banana\",\"Cherry\"]", jsonArray.toString());
+    }
+
+    @Test
+    public void givenJSONArray_whenUsingOrgJson_thenArrayReadAndUpdated() {
+        JSONArray jsonArray = new JSONArray("[\"Apple\",\"Banana\",\"Cherry\"]");
+
+        jsonArray.put(1, "Blueberry");
+        assertEquals("[\"Apple\",\"Blueberry\",\"Cherry\"]", jsonArray.toString());
+    }
+
+    @Test
+    public void givenJsonArray_whenUsingGson_thenArrayCreatedAndVerified() {
+        JsonArray jsonArray = new JsonArray();
+        jsonArray.add(new JsonPrimitive("Apple"));
+        jsonArray.add(new JsonPrimitive("Banana"));
+        jsonArray.add(new JsonPrimitive("Cherry"));
+
+        assertEquals("[\"Apple\",\"Banana\",\"Cherry\"]", jsonArray.toString());
+    }
+
+    @Test
+    public void givenJsonArray_whenUsingGson_thenArrayReadAndUpdated() {
+        JsonArray jsonArray = JsonParser.parseString("[\"Apple\",\"Banana\",\"Cherry\"]").getAsJsonArray();
+
+        jsonArray.set(1, new JsonPrimitive("Blueberry"));
+        assertEquals("[\"Apple\",\"Blueberry\",\"Cherry\"]", jsonArray.toString());
+    }
+
+    @Test
+    public void givenArrayNode_whenUsingJackson_thenArrayCreatedAndVerified() throws Exception {
+        ObjectMapper mapper = new ObjectMapper();
+        ArrayNode arrayNode = mapper.createArrayNode().add("Apple").add("Banana").add("Cherry");
+
+        assertEquals("[\"Apple\",\"Banana\",\"Cherry\"]", arrayNode.toString());
+    }
+
+     @Test
+    public void givenArrayNode_whenUsingJackson_thenArrayReadAndUpdated() throws Exception {
+        ObjectMapper mapper = new ObjectMapper();
+        ArrayNode arrayNode = (ArrayNode) mapper.readTree("[\"Apple\",\"Banana\",\"Cherry\"]");
+
+        arrayNode.set(1, "Blueberry");
+        assertEquals("[\"Apple\",\"Blueberry\",\"Cherry\"]", arrayNode.toString());
+    }
+}