[Java Programming Proficiency Test Grade 2] Problem Collection | 60 Original Multiple-Choice Questions with Explanations for All Options

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

Basic and advanced pattern matching in Java

Learn how to use pattern-matching features in your Java programs, including pattern matching with switch statements, when clauses, sealed classes, and a preview of primitive type pattern matching in ...

[Java] No More Fear! Basics and Countermeasures for "Exception and Error Handling" Useful in Practice

"The program suddenly crashed... the cause was a NullPointerException.""Is error handling just about writing try-catch blocks ...
Android Authority

Java tutorial for beginners: Write a simple app with no previous experience

Java is one of the most in-demand programming languages in the world and one of the two official programming languages used in Android development (the other being Kotlin). Developers familiar with ...
ZDNet

Learn basic to advanced Java programming skills for just $30

Java skills are not only some of the most sought after but also some of the easiest to learn, and now you can acquire them quickly without taking time off from your current job or going into debt.
InfoWorld

Basic and advanced Java serialization

Serialization is the process of converting a Java object into a sequence of bytes so they can be written to disk, sent over a network, or stored outside of memory. Later, the Java virtual machine (JVM ...