Adding JsonNode Function

API JsonNode Functions/JsonNodeReader.java

@@ -0,0 +1,25 @@
+package com.learning.api.jsonnode;
+
+import java.io.File;
+import java.io.IOException;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class JsonNodeReader {
+
+	public JsonNode readJsonFromString(String json) throws IOException {
+
+		ObjectMapper objectMapper = new ObjectMapper();
+		return objectMapper.readTree(json);
+	}
+
+	public JsonNode readJsonFromFile(File file) throws IOException {
+
+		ObjectMapper objectMapper = new ObjectMapper();
+		return objectMapper.readTree(file);
+	}
+
+
+
+}

API JsonNode Functions/ReadingFromJsonNode.java

@@ -0,0 +1,40 @@
+package com.learning.api.jsonnode;
+
+import java.util.Iterator;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+
+public class ReadingFromJsonNode {
+
+	String str;
+	/*
+	 * 			It is very useful when you don't know the about Json what it looks like.
+	 * 			
+	 * 			Add operations as per your need.
+	 */
+	public void traverseJson(JsonNode node) {
+
+		if(node.isArray()) {
+			ArrayNode arrayNode = (ArrayNode) node;			
+			for(int index=0;index<arrayNode.size();index++) {
+				traverseJson(arrayNode.get(index));
+			}	
+		}
+		else if(node.isObject()) {
+			Iterator<String> fieldNames= node.fieldNames();
+
+			while(fieldNames.hasNext()) {
+				str = fieldNames.next();
+				System.out.println(str);  // -------Printing the Field --------- // 
+				traverseJson(node.get(str));
+			}
+		}
+		else {
+			System.out.println(node.asText()); // ------Printing the field values--------//
+		}
+
+	}
+
+
+}