Java Variable Naming and Data Types

In programming, what is a variable primarily defined as?

• A type of computer memory that cannot be changed.

• A storage location that holds a value.

• A fixed piece of information in a program.

• A mathematical symbol used in algebra.

What two aspects does a variable's data type specify?

• Its name and its size in memory.

• Its storage location and its accessibility.

• The type of information it can store and what operations can be performed on it.

• Whether it is a primitive or reference type.

Which of the following are examples of primitive data types in Java?

• String, Array, Object

• int, double, boolean, char

• List, Map, Set

• Class, Interface, Enum

Which of the following is a valid and recommended variable name according to Java naming conventions?

• _totalAmount

• 1stValue

• MyVariable

• item-count