Java Programming MCQs

Which of the following is not a primitive data type in Java?

• int

• String

• float

• boolean

What is the default value of int in Java?

• 1

• 0

• null

• garbage value

Which data type is used to store a single character?

• char

• String

• byte

• boolean

What is the size of a float in Java?

• 4 bytes

• 8 bytes

• 2 bytes

• 1 byte

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

• byte

• char

• boolean

• float

What is the default value of a boolean variable?

• true

• 0

• null

• false

Which of the following is smallest in size?

• int

• short

• byte

• long

Which of these can hold decimal values?

• int

• float

• boolean

• char

What is the size of a long in Java?

• 4 bytes

• 8 bytes

• 2 bytes

• 1 byte

Which data type would you use to store a large integer value?

• byte

• short

• int

• long