Java Unit 1

How many bits is the long data type in Java?

• 16

• 32

• 64

• 128

What is the size of an integer in Java Programming?

• 1 byte

• 2 bytes

• 4 bytes

• 8 bytes

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

• short

• int

• long

• byte

What is the default value of a char in Java?

• 0

• '\0'

• ' '

• null

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

• void

• float

• char

• short

What is the output of the expression true || false?

• true

• false

• null

• 0

Which loop construct in Java is best suited when the number of iterations is known?

• while

• Do... while

• for

• for each

Which loop construct guarantees that the loop body is executed at least once?

• while

• Do... while

• for

• All of the options

Which statement is used to exit a loop prematurely?

• exit

• continue

• break

• return

What is the purpose of the continue statement in a loop?

• To exit the loop immediately

• To skip the current iteration and move to the next iteration

• To terminate the program

• To execute a specific block of code