Practice Questions

Which data type is used to store whole numbers in Java?

A. float B. int C. char D. boolean

What is the default value of a boolean variable?

A. true B. false C. null D. 0

Which loop guarantees at least one execution?

A. for loop B. while loop C. do-while loop D. foreach loop

What is the correct way to declare an array?

A. int arr; B. int[] arr; C. array int arr; D. int arr[] = new;

Which keyword is used to create an object in Java?

A. class B. new C. object D. create

What will 5 + 2 * 3 evaluate to?

A. 21 B. 11 C. 16 D. 13