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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