Multiple Choice on JAVA BASIC

Which of the following is a primitive data type in Java?

• String

• int

• Array

• Scanner

What is the default value of a boolean variable in Java?

• true

• false

• 0

• null

Which primitive data type is used to store decimal values?

• int

• boolean

• double

• char

What is the size of int in Java?

• 8 bits

• 16 bits

• 32 bits

• 64 bits

What is the size of double in Java?

• 8 bits

• 16 bits

• 32 bits

• 64 bits

Which of these can store only two possible values?

• int

• boolean

• double

• float

Which of the following stores whole numbers?

• double

• int

Which of the following is true about boolean?

• Can store numbers

• Can only be true or false

• Has a size of 8 bytes

• Default value is null

Which of the following is NOT a primitive type?

• boolean

• String

• int

• double

Which statement is valid?

• boolean flag = 1;

• int num = 10.5;

• double value = 5.0;

• boolean answer = "true";