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× Java Utility Library


Java.util package contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).

About Tutorial

This tutorial is intended for students or professionals interested in studying basic and advanced concepts of Java utility package. This tutorial covers introduction, declaration and methods of most commonly used Java classes present in Java utility package, for example - Array, ArrayDeque, ArrayList, BitSet, Calendar, Date, Dictionary, Time, Random, Scanner & Vector class. We believe in learning by examples therefore each and every topic is explained with lots of examples that makes you learn the topic in a very easy way.

Prerequisite

Before continuing with this tutorial, you should have basic understanding of Java programming language. This section contains various types of examples which are used for reference and requires basic understanding of Java language.