The java.util package contains all the classes and interfaces for Collection framework. It extends Iterable interface that adds support for iterating over collection elements using the “for-each loop” ...

Java Collections Framework is an element of the Java programming language used to represent an efficient and extensible set of tools for using data collections. By knowing the basic JCF interfaces, ...

Java 集合（Java Collections Framework，简称 JCF）是 Java 语言中 最重要的数据结构之一。它提供了一整套用于存储、操作数据的 通用 ...

When Java was born, the only data structure support built into the core libraries involved arrays, vectors (essentially dynamically-sized arrays), and hash tables (for key-value pairs).

The Java Collection framework provides planning to lie up and handle a set of objects. It permits the developers to admission prepackaged data structures as well as algorithms to operate data. The ...