December 2006
Beginner
1500 pages
55h 41m
English
book
Java™ How to Program, Seventh Edition
by H. M. Deitel - Deitel & Associates, Inc., P. J. Deitel - Deitel & Associates, Inc.
Content preview from Java™ How to Program, Seventh Edition
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Exercises
| 3.5 | What is the purpose of keyword new? Explain what happens when this keyword is used in an application. |
| 3.6 | What is a default constructor? How are an object’s instance variables initialized if a class has only a default constructor? |
| 3.7 | Explain the purpose of an instance variable. |
| 3.8 | Most classes need to be imported before they can be used in an application. Why is every application allowed to use classes System and String without first importing them? |
| 3.9 | Explain how a program could use class Scanner without importing the class from package java.util. |
| 3.10 | Explain why a class might provide a set method and a get method for an instance variable. |
| 3.11 | Modify class GradeBook (Fig. 3.10) as follows:
|
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.