June 2022
Beginner to intermediate
672 pages
17h 23m
Japanese
Content preview from Head Firstデザインパターン 第2版 ―頭とからだで覚えるデザインパターンの基本
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220
6
章
アンドゥのテスト
public class RemoteLoader {
public static void main(String[] args) {
RemoteControlWithUndo remoteControl = new RemoteControlWithUndo();
Light livingRoomLight = new Light("
リビングルーム
");
LightOnCommand livingRoomLightOn =
new LightOnCommand(livingRoomLight);
LightOffCommand livingRoomLightOff =
new LightOffCommand(livingRoomLight);
remoteControl.setCommand(0, livingRoomLightOn, livingRoomLightOff);
remoteControl.onButtonWasPushed(0);
remoteControl.offButtonWasPushed(0);
System.out.println(remoteControl);
remoteControl.undoButtonWasPushed();
remoteControl.offButtonWasPushed(0);
remoteControl.onButtonWasPushed(0);
System.out.println(remoteControl); ...
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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.