Key Takeaways. Java SE 10 (March 2018) introduced type inference for local variables, one of the most frequently requested features for Java in recent.; Type inference is a technique used by ...

Integer types. Java supports four integer types for space and precision reasons: byte integer, short integer, integer, and long integer. Arrays based on shorter integers don’t consume as much space.

The case for the Java var keyword. Java has always had a weird syntax to declare variables. A manifest type declaration on the left side must polymorphically match up with the object type provided on ...