March 2017
Beginner
504 pages
11h
English
Content preview from Java For Dummies, 7th Edition
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Chapter 18
Ten Ways to Avoid Mistakes
IN THIS CHAPTER
Checking your capitalization and value comparisons
Watching out for fall-through
Putting methods, listeners, and constructors where they belong
Using static and non-static references
Avoiding other heinous errors
“The only people who never make mistakes are the people who never do anything at all.” One of my college professors said that. I don’t remember the professor’s name, so I can’t give him proper credit. I guess that’s my mistake.
Putting Capital Letters Where They Belong
Java is a case-sensitive language, so you really have to mind your p’s and q’s — along with every other letter of the alphabet. Here are some details to keep in mind as you create Java programs:
- Java’s keywords are all completely lowercase. For instance, in a Java if statement, the word if can’t be If or IF.
- When you use names from the Java API (Application Programming Interface), the case of the names has to match what appears in the API.
- You also ...
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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.