Practicing and exploring

Test your knowledge and understanding by answering some questions, getting some hands-on practice, and exploring this chapter’s topics with deeper research.

Exercise 3.1 – Test your knowledge

Answer the following questions:

1. What happens when you divide an int variable by 0?
2. What happens when you divide a double variable by 0?
3. What happens when you overflow an int variable, that is, set it to a value beyond its range?
4. What is the difference between x = y++; and x = ++y;?
5. What is the difference between break, continue, and return when used inside a loop statement?
6. What are the three parts of a for statement and which of them are required?
7. What is the difference between the = and == operators?
8. Does the following statement compile?

   for ( ; ; ) ;
   

9. What does the underscore _ represent in a switch expression?
10. What interface must an object “implement”...