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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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.
新しいコードの試運転
ファイル 編集 ウィンドウ ヘルプ 家で試す
%java WeatherStation
現在の気象状況：温度
80.0
度（華氏） 湿度
65.0%
平均
/
最高
/
最低気温：
80.0/80.0/80.0
予報：天候は良くなります！
現在の気象状況：温度
82.0
度（華氏） 湿度
70.0%
平均
/
最高
/
最低気温：
81.0/82.0/80.0
予報：寒い雨模様の天候に注意してください
現在の気象状況：温度
78.0
度（華氏） 湿度
90.0%
平均
/
最高
/
最低気温：
80.0/82.0/78.0
予報：ほとんど同じです
%
更新する表示要素はもう
1
つあります。平均
/
最低
/
最高表示です。さっそくやっ
てみましょう！
念のため、新しいコードを実行してみましょう。
Weather-O-Rama, Inc.
100 Main Street
Tornado Alley, OK 45021
素晴らしい！
御社の設計は本当に素晴らしい。依頼した
3
つの表示要素がすべて迅速に作
成されただけでなく、誰でも新しい表示要素が作成でき、かつ実行時にユー
ザが表示要素の追加や削除もできる汎用的な設計となっています！
本当によくできています！
次回もまたよろしくお願いします。
このように出力されます。
見て見て！
これがさっき届きました！
2
章
Observer
パターン
you are here
71
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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.