In this Section, you will learn the data structure of java.util package with example code.

Data Structures in Java

In this Section, you will learn the data structure of java.util package with example code.

Java util package(java.util) provide us Data structures which are very efficient and provide us a wide variety of function.  These data structures are defined in interface and classes which are given below :

• Enumeration

• Vector

• BitSet

• Stack

• Dictionary

• Hashtable

• Properties

After the release of Collections in Java 2 release, these data structure becomes legacy but in some cases it is still useful.

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