CodeZine BOOKS（コードジン・ブックス）は、CodeZineの連載からカットアップした、開発現場の課題解決に役立つ書籍シリーズです。 何年も前のことですが、私が初めてJavaに興味を覚えた理由の1つは、Javaプラットフォームに標準でコレクションライブラリが ...

Welcome to Week 4 of your Java learning path! This week focuses on Java Generics, Collections Framework, IO Streams, Exceptions, Regex, JUnit testing, and Java 8 features. This week deepens your ...

/** * Instantiate my collections with empty versions using Collections fields. * This will result in javac compiler warnings stating "warning: [unchecked] * unchecked ...

Certain principles hold for the use of iterators: In general, you should be able to have multiple traversals in progress at the same time; that is, an iterator should allow for the concept of nested ...

A Collection in simple terms means when a group of similar things, often a group created by someone is known as a collection. A collection when collected works like a container – it groups multiple ...

Uma coleção (collection) é uma estrutura de dados que serve para agrupar muitos elementos em uma única unidade; estes elementos precisam ser objetos. Uma Collection pode ter coleções homogêneas e ...

広く使われているJavaライブラリに深刻な脆弱性が存在し、主要ミドルウェアなども影響を受けるとしてセキュリティ機関が注意を呼びかけている。脆弱性を探索する探索行為も観測されている。 オープンソースのJavaライブラリ「Apache Commons Collections」に ...