TestNG is a unit testing library which can be run via the IDE and build tooling. We look at how to run TestNG tests directly with the command line.
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baeldung
This is the standard author on the site. Most articles are published by individual authors, with their own profiles, but when multiple people have a strong contribution, we publish collectively here.
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Generating a Java String of N Repeated Characters
Filed under Java String
Producing a string out of repeating a character or sequence can be done a variety of ways. We look at a few methods, and compare them for readability and efficiency.
SequenceInputStream Class in Java
Filed under Java IO
A quick and practical guide to Java SequenceInputStream class.
Keycloak Integration – OAuth2 and OpenID with Swagger UI
Filed under Security
Learn how to test a REST service that uses Keycloak for authentication and authorization with Swagger UI
Java Weekly, Issue 419
Filed under Weekly Review
Happy New Year 🙂
An interesting set of articles this week, from HTTP to persistence optimization and some Dilbert.
String equals() Vs contentEquals() in Java
Filed under Java String
Learn the differences between the equals() and the contentEquals() methods of the String class in Java using practical examples.
Working with (Unknown Source) Stack Traces in Java
Filed under Core Java
Learn why we see an unknown source in our Java exception stack trace and how can we fix it.
Multiple Line Code Example in Javadoc Comment
Filed under Core Java
A quick and practical tutorial to embedding code samples in JavaDoc comments.
Volatile Variables and Thread Safety
Filed under Java Concurrency
Learn why declaring a shared variable as volatile does not always guarantee thread-safety.