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Introduction to Java 8 Streams 1. Overview In this article, we’ll have a quick look at one of the major pieces of new functionality Java 8 had added – Streams. We’ll explain what streams are about and showcase the creation and basic stream operations with simple examples. 2. Stream API… Continue Reading java-8-streams-introduction
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List of Primitive Integer Values in Java 1. Overview In this tutorial, we’ll learn how to construct a list containing primitive integer values. We’ll explore solutions using core Java and external libraries. 2. Autoboxing In Java, generic type arguments must be reference types. This means we can’t do something like List<int>.… Continue Reading java-list-primitive-int
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Java 9 Optional API Additions 1. Overview In this article, we will be looking at the Java 9 additions to the Optional API. Beyond modularity, Java 9 is also adding three very useful methods for the Optional class. 2. The or() Method Sometimes, when our Optional is empty, we want… Continue Reading java-9-optional
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Bucket Sort in Java 1. Introduction In this article, we’ll dive into the bucket sort algorithm. We’ll start with a quick bit of theory, before working on the Java implementation alongside unit testing our solution. Finally, we’ll look at the time complexity of bucket sorting. 2. The Theory of Bucket… Continue Reading java-bucket-sort
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Heap Sort in Java 1. Introduction In this tutorial, we’ll see how Heap Sort works, and we’ll implement it in Java. Heap Sort is based on the Heap data structure. In order to understand Heap Sort properly, we’ll first dig into Heaps and how they are implemented. 2. Heap Data… Continue Reading java-heap-sort
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The Java SecureRandom Class 1. Introduction In this short tutorial, we’ll learn about java.security.SecureRandom, a class that provides a cryptographically strong random number generator. 2. Comparison to java.util.Random Standard JDK implementations of java.util.Random use a Linear Congruential Generator (LCG) algorithm for providing random numbers. The problem with this algorithm is that it’s… Continue Reading java-secure-random
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Java Web Weekly 49 At the very beginning of last year, I decided to track my reading habits and share the best stuff here, on Baeldung. Haven’t missed a review since. Here we go… 1. Spring and Java ===== >> Six-Month Delay Of Java 9 Release [codefx.org] >> Java 9… Continue Reading 2015-week-review-49
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Introduction to Spring Cloud CLI 1. Introduction In this article, we take a look at Spring Boot Cloud CLI (or Cloud CLI for short). The tool provides a set of command line enhancements to the Spring Boot CLI that helps in further abstracting and simplifying Spring Cloud deployments. The CLI… Continue Reading spring-cloud-cli
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Integration Testing in Spring 1. Overview Integration testing plays an important role in the application development cycle by verifying end-to-end behavior of the system. In this article we will see how we can leverage the Spring MVC test framework in order to write and run integration tests that test controllers… Continue Reading integration-testing-in-spring
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Java Weekly, Issue 189 Here we go… 1. Spring and Java ===== >> Function-Oriented Programming with Spring Cloud Function Framework [infoq.com] Spring Cloud Function is a new project that embraces working with functions – single units of computations. The interesting new addition here is the ability to decouple those from… Continue Reading java-weekly-189
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