January 2025
Beginner
496 pages
11h 11m
English
Content preview from Java For Dummies, 9th Edition
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Chapter 3
Using the Basic Building Blocks
IN THIS CHAPTER
Speaking the Java language: The API and the language specification
Taking a first glance at Java code
Understanding the parts of a simple program
Documenting your code
“Bce мыcли, кoтopыe имeют oгpoмныe пocлeдcтвия вceгдa пpocты. (All great ideas are simple.)”
—Leo Tolstoy
This quotation applies to all kinds of things — things like life, love, and computer programming. That’s why this chapter takes a multilayered approach. In this chapter, you get your first details about Java programming. And in discovering details, you’ll see the simplicities.
Speaking the Java Language
If you try to picture in your mind the entire English language, what do you see? Maybe you see words, words, words. (That’s what Hamlet saw.) Looking at the language under a microscope, you see one word after another. The bunch-of-words image is fine, but if you step back a bit, you may see two other things:
- The language’s grammar
- Thousands of expressions, sayings, idioms, and historical names
The first category (the grammar) includes rules like this: ...
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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.