Hello. In this note, I provide proactive explanations for common pitfalls for new employees, prospective hires, and junior ...

Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data you want ...

Many Java programs don't make use of a GUI interface at all they are run from the command line. It is important to master this simpler form of program if you are going to build utilities implement ...

Package a Jakarta EE 11 web application and Open Liberty runtime into one runnable JAR with Maven and the Liberty Maven Plugin. Use JUnit, Cucumber, REST Assured, Selenium and JMeter to test Java ...

Verify your understanding of the grammar, object-oriented programming, exceptions, and collections covered in the Java ...