JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

Checkout for Promo Codes

How to enable pretty printing in Google gson APIs?


This page shows how to enable pretty printing in Google gson APIs.

Note: Refer How to convert java object to json string using Gson APIs? page for dependent libraries.

Here is the example to enable pretty printing in Google gson APIs:

package com.java2novice.json.gson;

import java.util.HashMap;
import java.util.Map;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

public class MapToJsonEx {

	public static void main(String a[]){
		
		Map<String, String> inputMap = new HashMap<String, String>();
		inputMap.put("name", "Java2Novice");
		inputMap.put("site", "http://java2novice.com");
		// convert map to JSON String
		// notice that we enabled pretty printing in the below line
		Gson gsonObj = new GsonBuilder().setPrettyPrinting().create();
		String jsonStr = gsonObj.toJson(inputMap);
		System.out.println(jsonStr);
	}
}

Output:
{
  "site": "http://java2novice.com",
  "name": "Java2Novice"
}
<< Previous Program | Next Program >>

Google gson examples

  1. How to convert java object to json string using Gson APIs?
  2. How to convert json string to java object using Gson APIs?
  3. How to convert map to json string using Gson APIs?
  4. How to enable pretty printing in Google gson APIs?
  5. How to rename JSON properties (@SerializedName) using Gson APIs?
  6. How to exclude json fields in Gson APIs?
Knowledge Centre
What is race condition?
A race condition is a situation in which two or more threads or processes are reading or writing some shared data, and the final result depends on the timing of how the threads are scheduled. Race conditions can lead to unpredictable results and subtle program bugs. A thread can prevent this from happening by locking an object. When an object is locked by one thread and another thread tries to call a synchronized method on the same object, the second thread will block until the object is unlocked.
Famous Quotations
Do not confuse motion and progress. A rocking horse keeps moving but does not make any progress.
-- Alfred A. Montapert

About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

Most Visited Pages

Other Interesting Sites

Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
Privacy Policy | Copyright © 2020 by Nataraja Gootooru. All Rights Reserved.