Learn about the new Java 10 "var" type, and experiment using JShell with this hands-on tutorial on how to reduce boilerplate code using new type inference for local variables.

Java is an object-oriented language, and Java constructors are how you create objects. Learn about object creation in this full Java constructor tutorial.

Java's canonical constructor Keen-eyed Java developers will notice that the above example uses a parameterized constructor to create an instance of the Java record, even though no constructor is ...

Covariance and contravariance might seem esoteric, but you'll need these concepts more than ever as the Java language evolves. Get started with type dependency in array types, generic types, and ...

Here's everything you need to know about Java operators and operator types, and how to use them to write expressions for your Java programs.