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.
this is a new chapter
425
いい警官と悪い警官を演じたことはありますか？ いい警官はあらゆるサービス
を使いやすい適切な方法で行いますが、すべての人からサービスを求められるの
は困るので、悪い警官にアクセス制御をさせています。これがプロキシの役割で
す。つまりアクセスの制御と管理を行うのです。これから説明しますが、プロキ
シがオブジェクトの代理となる方法はたくさんあります。プロキシは、メソッド
呼び出し全体をインターネット経由でプロキシされたオブジェクトに転送するこ
とで、また、とてもコストのかかるオブジェクトの代理を根気よく務めることで
も知られています。
君が僕のプロキシになって
くれたら、友達から
3
倍の昼食
代を引き出せるよ！
11
章
Proxy
パターン
オブジェクトアクセスの制御
426
11
章
目的は？
簡単そうですね。ガムボールマシンコードにはガムボール
数を取得するメソッド
getCount()
と、マシンの現在の状態
を取得する
getState()
メソッドがすでに用意されています。
覚えていますよね。
ですから、あとはレポートを作成し、そのレポートを印
刷して
CEO
に送り返すだけでいいのです。
CEO
がマシン
を識別できるように、ガムボールマシンに位置フィールド
も追加しておきましょう。 ...
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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.