Types of variable in Java A variable that contains a whole number, as in the previous examples, is called an “integer” or “int” for short. However, this is just one type of variable in Java.

Learn three ways to document your code, then get started using identifiers, types, literals, and variables in Java 12 ...

Java SE 10 (March 2018) introduced type inference for local variables. Java Language Architect Brian Goetz explains the feature.