ITmedia

Java Tips：Iterator、Enumerationなどループあれこれ：JAVA Developer

java.utilパッケージにはコレクションを表現するクラスが多数あります。配列では要素数が固定になりますから，不定数のオブジェクトを扱うときには便利に使えます。J2SE 5では，Genericsを導入してさらに使いやすく安全になります。 さらに，java.util ...
InfoWorld

Using Enhanced For-Loops with Your Classes

The author of this tip is John Zukowski, president and principal consultant of JZ Ventures, Inc. The enhanced for-loop is a popular feature introduced with the Java SE platform in version 5.0. Its ...
TheServerSide

Iterator vs. ListIterator: Which interface should you choose?

The Java Iterator is an all-purpose interface that simplifies looping through a collection of objects. Java's ListIterator provides all the functionality of the Iterator interface, with four ...