Java Program to JSON Parser

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Parses JSON using Java

Pom Dependency:

 <dependency>  
   <groupId>org.json</groupId>  
   <artifactId>json</artifactId>  
   <version>20160810</version>  
 </dependency>  Code language: HTML, XML (xml)

Sample JSON:

{  
   "student": {  
      "rNo": "1",  
      "Name": "programsolve",  
            "Website": "https://programsolve.com"  
   },  
   "posts": [  
      {  
        "post": "Java Program to JSON Parser",  
        "url": "http://programsolve.com/2022/04/java-program-to-json-parsers"  
      }  
   ]  
 }  Code language: JSON / JSON with Comments (json)

Program:

package com.cooltrickshome;

import org.json.*;

public class JSONParser {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		
		String json = "{\"student\":{\"rNo\":\"1\",\"Name\":\"Anurag\",\"Website\":\"https://cooltrickshome.blogspot.com\"},\"posts\":[{\"post\":\"Create Keylogger with Java\",\"url\":\"http://cooltrickshome.blogspot.com/2016/11/creating-your-personal-keylogger-from.html\"}]}";
		JSONObject obj = new JSONObject(json);
		String name = obj.getJSONObject("student").getString("Name");
		String website = obj.getJSONObject("student").getString("Website");
		System.out.println("Name: "+name);
		System.out.println("Website: "+website);
		
		JSONArray arr = obj.getJSONArray("posts");
		System.out.println("Printing posts by this author");
		for (int i = 0; i < arr.length(); i++)
		{
		    String post = arr.getJSONObject(i).getString("post");
		    String url = arr.getJSONObject(i).getString("url");
		    System.out.println(post+" at "+url);
		}

	}

}Code language: JavaScript (javascript)

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