2020 | Baeldung

Using NullAway to Avoid NullPointerExceptions

Learn how to avoid NullPointerExceptions using NullAway. >>>

Java Weekly, Issue 324

A simple RSocket client built using Spring Shell and Spring Boot, and a deep dive into writing command-line tools in Java using GraalVM and the Picocli library. >>>

How to Use Regular Expressions to Replace Tokens in Strings in Java

Learn some regular expression strategies for replacing tokens in strings >>>

Could Not Reserve Enough Space for Object Heap

Learn the possible causes for the “Could Not Reserve Enough Space For Object Heap” error and how to solve it. >>>

Injecting a Value in a Static Field in Spring

Learn how to inject a value into a static field in Java >>>

Introduction to Apache Beam

Get started with Apache Beam and this simple word counter >>>

Finding the Spring Version

Learn how to obtain the JDK, Java and Spring versions >>>

Capturing a Java Thread Dump

Learn how to capture a Java thread dump >>>

Pattern Matching for instanceof in Java

Learn about the Pattern Matching with instanceof in Java 14. >>>

Testing Spring Boot @ConfigurationProperties

Learn how to test configuration classes in Spring Boot that rely on the @ConfigurationProperties annotation. >>>

Fast Pattern Matching of Strings Using Suffix Tree in Java

Learn about pattern matching of strings and how we can make it faster using a suffix tree >>>

Java Suppressed Exceptions

Learn about suppressed Exceptions in Java and how to work with them. >>>

Introduction to Takes

Learn about Takes – an immutable and object-oriented web framework for Java >>>

Java Weekly, Issue 323

An intro to the RSocket messaging protocol for microservices, and a good write-up on the Kotlin-based Ktor framework for client and server development. >>>