Java Programming Quiz

Which component executes Java code?

• JDK

• JVM

• JRE

• Java Source File

The ++ operator does what?

• Multiply by 2

• Increment by 1

• String concatenate

• Divide by 2

What is the default value of an uninitialized boolean class member?

• true

• false

• null

• 0

Which keyword is used to create an object instance?

• create

• init

• new

• object

How do you import the Scanner class?

• import java.io.Scanner;

• include java.util.Scanner;

• import java.util.Scanner;

• using java.util.Scanner;

Which of these is not a primitive type?

• int

• String

• char

• double

A block in Java always starts and ends with what?

• []

• ()

• {}

• <>

Which comment style is used for documentation generation?

• // …

• /* … */

• /** … */