a review of the java.util package

Amit Ranjan Tripathy

A Review of the java.util Package

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Amit Ranjan Tripathy

The ad hoc approach lacked an unifying theme

The Collections framework

Collections Maps

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Introduction

Amit Ranjan Tripathy[3]

The Collection Interface

Amit Ranjan Tripathy

The Collection Classes

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Amit Ranjan Tripathy

The Map Interface

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Amit Ranjan Tripathy

The Map Classes

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Amit Ranjan Tripathy[7]

• Reengineered to support Collections

• Synchronized : The only Advantage

• Enumeration

Calcified as obsolete

Superceded by Iterator

Amit Ranjan Tripathy

The Legacy Classes

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Amit Ranjan Tripathy

Working of Hash Tables

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Amit Ranjan Tripathy

Other Utility Classes

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• StringTokenizer : Lexical analysis made easy

• BitSet

• Date

• Random

• Observable

Update( )

notifyObservers( )

Amit Ranjan Tripathy

Conclusion

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• The Collections framework

Unified theme for “data engines”

Reengineering of the base classes

Maps introduced

• Broad domain of applications

Amit Ranjan Tripathy

Thank You!!!

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