Java Reference
In-Depth Information
6.1
Introduction to Arrays
334
Creating and Accessing Arrays
335
6
The
Instance Variable
338
length
Initializing Arrays
341
6.2
Arrays and References
344
Arrays Are Objects
344
Array Parameters
346
★
Arguments for the Method
354
main
Methods that Return an Array
355
Arrays
6.3
Programming with Arrays
356
Partially Filled Arrays
357
Example: A Class for Partially Filled Arrays
360
★
The “for-each” Loop
364
★
Methods with a Variable Number of Parameters
368
★
Example: A String Processing Example
371
Privacy Leaks with Array Instance Variables
372
Example: Sorting an Array
376
★
Enumerated Types
377
6.4
Multidimensional Arrays
387
Multidimensional Array Basics
387
Using the
Instance Variable
390
length
★
Ragged Arrays
391
Multidimensional Array Parameters and
391
Returned Values
Example: A Grade Book Class
392
Chapter Summary
398
Answers to Self-Test Exercises
399
Programming Projects
406
