Chapter 2

References and Data Structures

Chapter Overview

Joe wants to print service records for vehicle IDs. He has decided to use references and anonymous data structures to model and query this complex data.

Chapter Objective

• Use references to construct and query complex data structures.

Documentation

• perlref.html
• perllol.html
• perldsc.html

Topics

• Creating References
• Dereferencing
• Anonymous arrays and hashes
• Review of shift, unshift, push and pop

Lab

• Build a data structure for Joe's service records.
• Query by date and/or vehicle ID.

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