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Java Static Analysis Tools in Eclipse and IntelliJ IDEA 1. Overview In our introduction to FindBugs, we looked at the functionality of FindBugs as a static analysis tool and how it can be directly integrated into IDEs like Eclipse and IntelliJ Idea. In this article, we’re going look into few… Continue Reading java-static-analysis-tools
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How to Round a Number to N Decimal Places in Java 1. Overview In this short article, we’re going to look at how to round a number to n decimal places in Java. Further reading: Number of Digits in an Integer in Java Learn different ways of getting the number… Continue Reading java-round-decimal-number
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Java Web Weekly, Issue 111 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 ===== >> Reactive Spring [spring.io] A quick announcement of the plans… Continue Reading java-web-weekly-111
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Java Weekly, Issue 199 Lots of interesting writeups on Java 9 this week. Here we go… 1. Spring and Java ===== >> Migrating a Spring Boot application to Java 9 – Compatibility [blog.frankel.ch] An interesting case study showing that migrating to the new JDK is not as easy as just… Continue Reading java-weekly-199
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Guide to Dynamic Tests in Junit 5 1. Overview Dynamic testing is a new programming model introduced in JUnit 5. In this article, we’ll have a look at what exactly dynamic tests are and how to create them. If you’re completely new to JUnit 5, you might want to check… Continue Reading junit5-dynamic-tests
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MD5 Hashing in Java 1. Overview MD5 is a widely used cryptographic hash function, which produces a hash of 128 bit. In this article we shall see how will see different approaches to create MD5 hashes using various Java libraries. 2. MD5 Using MessageDigest Class We have a hashing functionality… Continue Reading java-md5
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Jackson – Decide What Fields Get Serialized/Deserialized 1. Overview In this article we’ll explore the various ways we can control if a field is serialized / deserialized by Jackson or not. 2. A Public Field The simplest way to make sure a field is both serializable and deserializable is to… Continue Reading jackson-field-serializable-deserializable-or-not
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Introduction to JUnitParams 1. Overview In this article, we’ll explore the JUnitParams library and its usages. Simply put, this library provides easy parameterization of test methods in JUnit tests. There are situations where the only thing that changes between multiple tests are the parameters. JUnit itself has a parameterization support,… Continue Reading junit-params
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Java Null-Safe Streams from Collections Java Java Collections Java Streams 1. Overview In this tutorial, we’ll see how to create null-safe streams from Java collections. To start with, some familiarity with Java 8’s Method References, Lambda Expressions, Optional and Stream API is required to fully understand this material. If you are… Continue Reading java-null-safe-streams-from-collections
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Java Web Weekly, Issue 166 Lots of interesting writeups on Java 9 this week. Here we go… 1. Spring and Java ===== >> Spring Framework 5.0 M5 Update [spring.io] Very interesting functionality in the latest Spring 5 pre-release. >> A use-case for local class declaration [frankel.ch] From the engineering point… Continue Reading java-web-weekly-166
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