If a Java developer wants a variable to be constant, they mark that variable as final. A final variable in Java can't change once it's been assigned a value. For example, the ID of your bank account ...

The same applies to any constants, constructors, methods, or nested types that must be accessible. You’ll see examples of these later in the tutorial. In Java, we use the package statement to ...

but those languages aren’t purely object-oriented like Java is, and that belies the crux of the problem. In addition to the above questions, here’s another big one: “Is an object only constant under a ...

Computed constants offer the performance and safety benefits of final fields, but greater flexibility in the timing of initialization, the proposal states. An OpenJDK proposal would introduce ...