Java Programming Long Quiz

Which keyword is used to declare a variable in Java?

• var

• declare

• type

• data

Which of the following is a valid Java variable declaration?

• int 1variable;

• String my-variable;

• boolean _flag;

• float @value;

What is the purpose of a variable in Java?

• To perform calculations

• To store data values

• To control program flow

• To display output

Which data type is used to store whole numbers in Java?

• float

• double

• int

• char

Which data type is used to store decimal numbers in Java?

• int

• boolean

• char

• double

Which data type is used to store a single character in Java?

• String

• int

• char

• boolean

Which data type is used to store true or false values in Java?

• int

• char

• String

• boolean

Which data type is used to store a sequence of characters in Java?

• char

• int

• String

• boolean

What is the scope of a local variable in Java?

• Throughout the entire program

• Within the class

• Within the method where it is declared

• Within the package

What is the process of assigning a value to a variable called?

• Declaration

• Initialization

• Compilation

• Execution