Class ObjectMapper This is the most powerful class provided by Jackson API and maximum time we will use this class. ObjectMapper class is useful to create JSON object, JSON Array, converting a Java object to a JSON object and vice versa. In this post, we will use the ObjectMapper class to convert a Java Object …

Now we will learn how to create JSON objects using POJOs. To create a JSON object (JSON) from Java Objects( POJOs) is called Serialization. For this, we can use any JSON parser APIs. In this post, we will use Jackosn APIs About Jackson API Jackson API is a high-performance JSON processor for Java. We can …

Example JSON Payload Creating POJO classes are simple if we identify what are classes we need to create correctly. A final POJO class for a JSON Payload is created by combining multiple blocks. Let’s identify different objects or POJO :- There is no need to create a POJO for a 1:1 fields. We can include …

Sample JSON Array Payload Above JSON Array is a collection of JSON Objects or a List of Employees. We have created a Employee POJO class in previous post and we can reuse the same. That is how reusability is one of the major advantage of POJO classes. Employee POJO We do not need any other …

POJO classes are extensively used for creating JSON and XML payloads for API. Although there are many online platform to generate POJO and Java libraries to generate POJO classes automatically but still knowing to create POJO helps. Even you can use plain POJO concepts or POJO with builder pattern for data storage as well which …

Java supports Object Oriented Programming System (OOPs) which is a programming paradigm. From the full form of OOPs , we can understand that it is a programming approach which is oriented around something called “Object” and an Object can contain data (Member variables ) and mechanism (member functions) to manipulate on these data. For an …

We have already learnt to create JSON Object using Jackson API If you download and add jackson-databind jar to build path, do not forget to download other two transitive dependencies as well. Class ObjectMapper This is the most powerful class provided by Jackson API and maximum time we will use this class. As of now …

Earlier we have learned to Create JSON payload using Jackson API. Now we will learn to use that JSON payload in a request using Rest Assured. body(Object object) When we create a JSON Object using Jackson API then it is a type of ObjectNode class which is a Node that maps to JSON Object structures …

About Jackson API Jackson API is a high performance JSON processor for Java. We can perform serialization, deserialization , reading a JSON file, writing a JSON file and a lot more things using Jackson API. To use Jackson API, we need to add it in java project build path. You can add using Maven or …

An API may accept a JSON Array payload as well. For example:- Booking for multiple passengers at once. In this case, we may need to pass multiple JSON objects within a JSON array. An example is below:- I just twisted Restful Booking API for multiple bookings at once. We need to add as many JSON …