In Java SE, variable scope determines where they are accessible and valid within a program. Local variables are confined to the block, method, or constructor where they are declared, created when ...

Method and variable handles vs. Java reflection To truly understand MethodHandles and VarHandles —what they do and why they are useful—it’s helpful to know a few things about reflection in Java.

I’ll also show you how to use var to declare local variables. See the Java Language Specification: Java SE 12 Edition for more about Java 12. Learn Java from the ground up.

Java 10 introduced type inference for local variables. Before, all local variable declarations required an explicit type on the left hand side. **With type inference, the explicit type can be replaced ...