Java Programming Quiz

Which of the following is a logical operator in Java?

• ++

• &&

• --

• **

Which is the correct way to declare and initialize a variable?

• int x 10;

• int x = 10;

• x = int 10;

• 10 = int x;

Which keyword is used to define a function?

• define

• method

• function

• Correct

Which is the correct way to declare an integer variable?

• int = x;

• int x;

• x int;

• declare int x;

Which is a single-line comment?

• /* comment */

• // comment

• / comment

• # comment

Which keyword starts a conditional statement in Java?

• for

• if

• while

• switch

Which keyword is used in switch-case for multiple options?

• case

• if

• default

• else

Which loop is best used when the number of iterations is known?

• while

• do-while

• for

• if

Which loop may not execute if the condition is false?

• do-while

• for

• while

• none

What is the result of 'Hello' + 'World'?

• HelloWorld

• Hello World

• Error

• Hello+World