January 2025
Beginner
496 pages
11h 11m
English
Content preview from Java For Dummies, 9th Edition
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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.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.
Chapter 11
Putting Variables and Methods Where They Belong
IN THIS CHAPTER
Making something belong to an entire class
Putting variables inside and outside methods
Improving your batting average
Our family's neighborhood elementary school has a yearly tradition: Each spring, the students in fifth grade take a daylong field trip to Philadelphia. When my son was in fifth grade, I went along on the trip to help supervise 4 of the 20 children. While the 4 kids and I were touring the city's historical sites, I misplaced the preplanned itinerary. I didn't know where we were supposed to go next. So, what could I do? I did what any good Philadelphia native would do — I ignored the itinerary and took the kids to the nearest cheap restaurant. I treated them all to Philadelphia's signature dish — the fat-laden, greasy, Philadelphia cheesesteak.
What could this story possibly have to do with Java? That's simple. This chapter is about access — how one class's code may gain access to another class's code. My Philadelphia anecdote is about access, too. Shortly after the school trip, my son's fifth-grade teacher got wind of my shenanigans during the tour. Later, when my daughter was in fifth grade, ...
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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.