Java Programming Tutorials

Java programming tutorials with many code examples!

Groovy for Java Developers

Groovy for Java Developers – essentials

In this tutorial you will learn the most common features of Groovy that will allow you to get up and running in just a few minutes!

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JUnit Theories with homemade ParamaterSuppliers

JUnit Theories allow to generate test data using parameter suppliers. In this post we’re going to implement ParameterSupplier that produces Fibonacci numbers and as source of test data.

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JUnit Theories with DataPoints

JUnit Theories is advanced and experimental feature that allows to execute tests with selection of dynamically generated data. In this post we’re going to show how to provide input data using DataPoints.

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JUnit Custom Rules

JUnit comes with a bunch of rules, but sometimes writing own JUnit Custom Rules is useful. In the following tutorial we’re going to show to way to do that.

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JUnit Parameterized tests

JUnit Parameterized Tests are JUnit’s way to execute one test multiple times, but with different data sets. This is commonly known as data-driven testing.

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JUnit Test Suites

JUnit Test Suite is a powerful feature to group a bunch of related tests in one place for easy execution. In this post we’re going to show how to use Test Suites in practice.

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