abstract（抽象メソッド）がある理由は「クラス設計を正確に実現する」ため。abstractメソッドのあるインターフェースを実装したサブクラスは、abstractメソッドを追加しなければエラーになる。そこで気付ける。

Lots more cores are coming -- but don't panic. Look for abstract programming methods pioneered by the MIT Cilk project to span to the future to address task parallelism, data parallelism and safety ...

Less than 3% of graduates in the U.S. graduate with a degree in Computer Science and that figure has been dropping for the past decade, even as the importance of software in our daily lives is so ...

ABSTRACT: Computer programming can be challenging for beginners because of the need to understand abstract programming concepts. In this paper, we study the use of the Second Life (SL) virtual world ...