Java

Java is a high-level programming language that is widely used for developing applications and websites.

With its cross-platform compatibility, developers can write code once and run it on any device or operating system.

Posts about Java

Log all client requests and responses - Apache HTTP client, RESTEasy.

How to log requests and responses in Apache HTTP client, RESTEasy

August 20, 2022 | HTTP | RESTEasy | Java

Spring RestTemplate - log all client requests and responses.

How to log requests and responses in Spring RestTemplate

March 12, 2022 | HTTP | Spring Boot | Java

JSON to generic object or list of generic objects in Java

How to use generics for JSON deserialization

May 10, 2019 | Java | Gson

Read files from resources folder

How to read files from resources folder - file system and jar.

May 01, 2019 | Java | Open Source | Easy Files

JSON to Map in Java with Gson

Complete example

July 26, 2018 | Java | Gson

Check if object is primitive in Java

Implement isPrimitive method for primitive wrappers (auto-boxed primitives)

July 24, 2018 | Java

Parse ISO-8601 time in Java

How to parse Date/Time in ISO-8601 format with Instant

July 06, 2018 | Java

Spring Boot + JUnit. How to get started

How to get started with JUnit and Spring Boot - minimal required code. Create your Spring Boot and JUnit based Test Automation Framework

May 11, 2018 | Spring Boot | JUnit | Java

AssertJ. How to validate objects in Java

How to validate objects comparing field by field in Java using AssertJ

April 02, 2018 | AssertJ | Java

How to merge lists in Java

How to merge lists in Java including Java 8

March 21, 2018 | Java | Java 8

How to get method's annotation parameters. AspectJ

AspectJ. How to access method's annotation parameters

March 17, 2018 | AspectJ | Java

How to log service client calls with AspectJ

AspectJ. How to log all service client calls for TestNG tests

March 14, 2018 | AspectJ | HTTP | Spring Boot | Java

AspectJ. How to log method with parameters in Java

How to log method with parameters and returned result. How to use AspectJ for logging with parameters

March 05, 2018 | AspectJ | Spring Boot | Java

REST API client for TestNG and Spring Boot using Apache Http Components. Part 2

Create Service Client for Test Framework for REST API with TestNG and Spring Boot using previously created Http Client

February 26, 2018 | HTTP | TestNG | Spring Boot | Java

REST API client for TestNG and Spring Boot using Apache Http Components. Part 1

Create Http Client for Test Framework for REST API with TestNG and Spring Boot using Apache Http Client

February 21, 2018 | HTTP | TestNG | Spring Boot | Java

Send PUT and DELETE HTTP requests and get HTTP response in Java with Apache Http Client

Simple example how to create Http Client to send PUT and DELETE HTTP requests and get HTTP response with Apache Http Client in Java

February 16, 2018 | HTTP | Java

How to send POST HTTP request and get HTTP response in Java with Apache Http Client

Simple example how to create a Http Client to send POST HTTP request and get HTTP response with Apache Http Client in Java

February 09, 2018 | HTTP | Java

How to send GET HTTP request and get HTTP response in Java with Apache Http Client

Simple example how to create a Http Client to send GET Http request and get Http response with Apache Http Client in Java

February 03, 2018 | HTTP | Java

JUnit - retry failed tests

How to re-run failed tests using JUnit retry rule - TestRule

January 31, 2018 | JUnit | Java

How to create array in Java

Different ways to create arrays in Java

January 21, 2018 | Java

How to get a Map from 2 arrays in Java

Different ways to create Map from 2 arrays in Java

December 28, 2017 | Java | Java 8

How to get test data in TestNG tests from external file with Spring Boot

How to get started with using test data stored in an external file with Spring Boot in TestNG tests

December 18, 2017 | Spring Boot | TestNG | Java

Spring Boot application.properties + TestNG tests

Spring Boot application.properties + TestNG tests. How to read parameters from application.properties file with @Value. TestNG example

December 14, 2017 | Spring Boot | TestNG | Java

Guava and IOUtils. How to read file to list of Strings in Java

Example how to read file to list of String in Java with Guava and IOUtils

December 08, 2017 | Java

Guava and IOUtils. Read file to String in Java

Example how to read file to String in Java with Guava and IOUtils

December 05, 2017 | Java

Spring Boot + TestNG. How to get started

How to get started with TestNG and Spring Boot - minimal required code. Create your Spring Boot and TestNG based Test Automation Framework

December 01, 2017 | Spring Boot | TestNG | Java

Clone List or Object in Java

Another way to clone any object or list in Java with Gson

November 20, 2017 | Gson | Java

How to re-run failed tests in TestNG

How to re-run failed tests in TestNG using IRetryAnalyzer

November 02, 2017 | TestNG | Java

How to decode JWT token in Java

Decode JWT token in Java and access information encoded in JWT.

October 20, 2016 | JWT | Java

JSON to Array or JSON to List with GSON in Java

How to convert JSON String to Array or List with GSON. GSON array and GSON list with a code example in Java

May 07, 2016 | Gson | Java

How to print object as JSON in Java

Example how to print an object in JSON format with GSON in Java. Print Java object as JSON

April 18, 2016 | Gson | Java

JSON to Object and Object to JSON in Java with GSON

GSON is the easiest way to convert Object to JSON and JSON to Object in Java (serialize and deserialize objects to JSON in Java)

April 17, 2016 | Gson | Java

Spring profiles in TestNG tests, spring.profiles.active

Spring profiles for switching between configurations. Using spring.profiles.active

December 03, 2015 | Spring Boot | TestNG | Java

AspectJ. Simple blacklist example

AspectJ. Simple example that shows how to use AspectJ

November 30, 2015 | AspectJ | Java

How to send Http requests and receive responses in Java

HTTP requests and responses. Example of implementation in Java

November 21, 2015 | Java | HTTP

JUnit. Almost all you need to know

Basic knowledge - annotations, parameterized tests

October 15, 2015 | Java | JUnit