Verify your understanding of the grammar, object-oriented programming, exceptions, and collections covered in the Java Programming Proficiency Test Grade 2 with 60 multiple-choice questions in the ...

Java is, and is set to remain, the primary language for the professional programmer. There are 1.8 million Oracle Certified Developers and they earn more, 13.7% on average, than their non-certified ...

Creating simple data classes in Java traditionally required substantial boilerplate code. Consider how we would represent Java’s mascots, Duke and Juggy: public class JavaMascot { private final String ...