Aug 26, 2015 · I want to know if there is an error response when sending the REST POST request, and i want to print the error as "output" in my Java application. How do i do this? Here is the code I'm using:

Nov 5, 2010 · Here is a simple code to pretty print a JSON string, only using general Java APIs (available in Java 7 for higher; haven't tried older version although). The basic idea is to tigger the formatting based on special characters in JSON.

If your api is response is a java object, then the string that you got from Outputstream should be in json string format such as {\"name\":\"xyz\", \"age\":21} . This can be converted to JSON object in many ways, out of which one way is to use google GSON library.

Jul 15, 2023 · By enabling the INDENT_OUTPUT setting globally, we can generate a well-formatted JSON string with pretty printing. This ensures that JSON output throughout the system will be consistently formatted in a readable manner.

Aug 2, 2020 · For this article I’ll be using the REST API for Covid-19 (https://api.covid19api.com/) This is how our JSON data will look, First let’s set the URL object and type cast it into an...

Jan 31, 2024 · In this article, we learned four ways to map JSON responses to a POJO class when using HttpClient. Additionally, we dived into synchronous and asynchronous programming patterns with HttpClient. Furthermore, we used Jackson and Gson library to deserialize JSON response and map JSON String to a POJO class.

Aug 1, 2021 · In this example, you will learn how to format the JSON String using Jackson's Pretty Print feature. It's easy to format JSON text, all you need to do is instead of just calling writeValueAsString() you need to first get defaultPrettyPrintWrite and then call writeValueAsString() method on that object.

Mar 24, 2025 · REST API’s JSON response can be consumed by: Spring application itself. Front-end application/framework; Spring Application. Spring offers the RestTemplate (a convenient way of handling a REST response) It has the HTTP method-specific handler methods. ConsumeResponse.java ( Consume REST API response ):

Apr 18, 2016 · Here is how to print an object as JSON in Java. GSON. Maven Dependency. To print object as JSON we’re going to use Gson - a very powerful library for JSON serialization/deserialization (in the current context converting from object to JSON and from JSON to object). If we try to print this Java object. We get the output like this.

Oct 28, 2023 · How to format JSON output in API response with Spring MVC and Jackson library. Prettify JSON with proper indentation.