Learn how to convert an array of primitives to a List of objects of the corresponding type.
Here's what I've written (so far):
Loading JDBC Drivers
Filed under Java, Persistence
Learn some of the basic steps needed to load JDBC drivers
YAML to List of Objects in Spring Boot
Filed under Spring Boot
Learn how to map a YAML list into a java List using Spring Boot.
Adding Text to an Image in Java
Filed under Java
Learn how to add text to images in Java
Converting a Java String Into a Boolean
Filed under Java
Learn how to convert a string into a boolean using Java.
How to Resolve a Version Collision of Artifacts in Maven
Filed under Maven
Multi module maven projects can experience difficulties at compile time and runtime with multiple library versions. We learn how to control the versions used.
How Can I Resize an Image Using Java?
Learn how to resize (scale) an image using Java.
Division by Zero in Java: Exception, Infinity, or Not a Number
Filed under Java
When dividing by zero, integer division always throws an Exception. This is not the case with floating-point numbers, however. Let’s see why.
Java Weekly, Issue 341
Filed under Weekly Review
Lots of interesting writeups on a wide variety of topics: From new Spring improvement and Oracle Coherence to SOLID principles and freelancing.
How to Count the Number of Matches for a Regex?
Filed under Java
Regular expressions can help us with text processing. Here we explore how to count the number of matches of a regular expression in some text.
Print an Integer in Binary Format in Java
Filed under Java
Explore different ways of printing an integer in binary format in Java.
Mapping Collections with MapStruct
Filed under Java
Explore how to map collections using MapStruct.
Java Weekly, Issue 340
Filed under Weekly Review
The Spring ecosystem is moving forward, with several major milestones. The Java language itself is also revisiting some core concepts as well. An interesting week.
Simple Single Sign-On with Spring Security OAuth2 (legacy stack)
Filed under Spring Security
A simple SSO implementation using Spring Security OAuth2 and Boot.
Inject a Map from a YAML File with Spring
Filed under Spring
Learn how to inject a Map from a YAML file in Spring Boot.
Getting MAC addresses in Java
Learn how to get the mac addresses of network card interfaces in Java.
Finding Unused Gradle Dependencies
Filed under Gradle
Learn how to use the Gradle Nebula Lint plugin to identify and fix unused dependencies in your project
How to Share DTO Across Microservices
Filed under Architecture
Learn ways in which DTOs are shared between microservices
Testing a Spring Multipart POST Request
Filed under Spring Web
Learn how to test a Spring Multipart POST Request using MockMvc with the help of an example.
The Covariant Return Type in Java
Filed under Java
Explore what the covariance and covariant return types are and how they behave in Java.
