Following is the code structure for JAVA with JSON. JsonExample1.java [java] package com.splessons; import org.json.simple.JSONObject; public class JsonExample1{ public static void main(String args[]){ JSONObject obj=new JSONObject(); obj.put("Tutorial Name","SPLESSONS"); obj.put("Users",new Integer(2023478)); obj.put("Likes per sec",new Double(600000)); System.out.print(obj); } } [/java] In the above code, object has been created that is obj, where put() method is used to hold the data. Following is an image for the code description. pom.xml Following is the code to add maven dependency to the project. [xml] <dependency> <groupId>com.googlecode.json-simple</groupId> <artifactId>json-simple</artifactId> <version>1.1</version> </dependency> [/xml] Where POM stands for Project Object Model, POM is a XML representation of a Maven extend held in a document named pom.xml. Output: Now compile the code result will be as follows. [java] {"Tutorial Name":"SPLESSONS","Likes per sec":600000.0,"Users":2023478} [/java]

Following is an example for JSON Encode using Map. JsonExample2.java [java] package com.splessons; import java.util.HashMap; import java.util.Map; import org.json.simple.JSONValue; public class JsonExample2{ public static void main(String args[]){ Map obj=new HashMap(); obj.put("Tutorial Name","SPLESSONS"); obj.put("Users",new Integer(2023478)); obj.put("Likes per sec",new Double(600000)); String jsonText = JSONValue.toJSONString(obj); System.out.print(jsonText); } } [/java] The JSONObject class doesn't have a toJSONString() strategy. Rather it supersedes the toString() technique to produce json. To get the json object, just utilize obj.toString(). Output: Now compile the code result will be as follows. [java]{"Tutorial Name":"SPLESSONS","Likes per sec":600000.0,"Users":2023478}[/java]

Following is an example for Java JSON Array Encode. JsonExample3.java [java] package com.splessons; import org.json.simple.JSONArray; public class JsonExample3{ public static void main(String args[]){ JSONArray arr = new JSONArray(); arr.add("SPLESSON"); arr.add(new Integer(2733)); arr.add(new Double(3600000)); System.out.print(arr); }} [/java] To understand the above code user need to have an ArrayList concept in JAVA, where added three objects and package is also added that is import org.json.simple.JSONArray;. Output: Now compile the code result will be as follows. [java] ["SPLESSON",2733,3600000.0] [/java]

Following is an example for Java JSON Decode. JsonExample4.java [java] package com.splessons; import org.json.simple.JSONObject; import org.json.simple.JSONValue; public class JsonExample4 { public static void main(String[] args) { String s="{\"Tutorial Name\":\"SPLESSONS\",\"Users\":2023478.0,\"Likes per sec\":600000}"; Object obj=JSONValue.parse(s); JSONObject jsonObject = (JSONObject) obj; String name = (String) jsonObject.get("Tutorial Name"); double salary = (Double) jsonObject.get("Users"); long age = (Long) jsonObject.get("Likes per sec"); System.out.println(name+" "+salary+" "+age); } } [/java] Output: Now compile the code result will be as follows. [java] SPLESSONS 2023478.0 600000 [/java]

• The POM stands for Project Object Model.
• The HashMap is used to maintain key and value and it will be represented as.