Java Quiz
Check what you have learned in this Java tutorial. Answer each question, then read the explanation.
How to Use This Quiz
- Try to answer without looking back at the lessons
- If you get one wrong, go back and read that chapter again
- Write small programs to test anything you are not sure about
Quiz Questions
Exercise
Which file name must hold the class public class Shop?
Exercise
Which data type stores a decimal number like 99.5?
Exercise
What does System.out.println(9 / 2); print?
Exercise
How should you check whether two strings have the same text?
Exercise
What happens in a switch if you forget break after a case?
Exercise
How many times does this loop run? for (int i = 0; i < 5; i++)
Exercise
What is marks.length for int[] marks = {70, 80, 90};?
Exercise
Which method declaration returns a whole number?
Exercise
What is a constructor?
What Next?
Well done on finishing the Java tutorial. Keep practising by building small programs: a marks calculator, a shop bill or a simple bank account. To compare Java with a close cousin, look at the C# tutorial.