Learn the steps required to create a custom generator for the OpenAPI generator tool.
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Introduction to Java 22
Explore the latest Java release, Java 22, which is now in General Availability.
Generate Java Classes From Avro Schemas Using Gradle
Learn to generate Java classes from Apache Avro schemas using Gradle.
How to Test a Spring AOP Aspect
Learn how to conduct unit and integration tests on Spring AOP aspects.
Convert 2D Array Into 1D Array
Learn how to convert a two-dimensional array into a one-dimensional, which is commonly known as flattening.
Finding the nth Last Occurrence of char in String
Explore different methods to find the nth last occurrence of a character within a string using Java.
How to Fix EOFException in Java
In this quick tutorial, we learn how to fix the java.io.EOFException, a special type of IOException.
Implement Update-Or-Insert in Spring Data JPA
Learn different approaches to performing update-or-insert operations using Spring Data JPA.
Compress and Create a Byte Array Using GZip
Learn how to get the compressed data in a byte array when using the GZIP file format.
Different Ways to Use Limit and Skip in MongoRepository
Explore the skip and limit functionalities within MongoRepository.
PrintWriter write() vs print() Method in Java
Discover the differences between PrintWriter’s write() and print() methods.
Introduction to DuckDB
Learn about the advantages of the DuckDB database and some fundamental operations via illustrative examples
Code Coverage vs. Test Coverage
A quick tutorial on the differences between code coverage and test coverage.
Get the Response Body in Spring Boot Filter
Learn to retrieve the response body from a ServletResponse in a Spring Boot filter.
Intro to the Apache Commons Compress Project
In this tutorial, we explore Apache Commons Compress, a library for file compression, archiving, and extraction. It supports various formats like TAR, ZIP, GZIP, BZIP2, and more.
Create and Run Apache JMeter Test Scripts via Java Program
Learn how to create and execute Apache JMeter test scripts programmatically using the JMeter Java API.
Join Two Tables Using jOOQ
Explore various types of joins available in jOOQ.
New Features in Java 21
Learn about the new features of Java 21, like record patterns and switch enhancements for cleaner code.
Introduction to Light-4J
Learn the core philosophy, key features, and architectural concepts of the Light-4j library.
Convert a Phone Number in Words to Number with Java
We may wish to convert a telephone number, expressed in words, into its equivalent digits. We look at a general algorithm for processing the names of digits and multiplicative words such as double.