Monday, August 9, 2010

Array of Object References: Laser.java

Courtesy of SCJP Sun® Certified Programmer for Java™ 6 Study Guide Exam (310-065) (9780071591065)
Chapter 3, Question 12
















If you trace this code by hand, the program will output 4 4.

To get a visual idea of how arrays and objects look in memory, please see graphic below, courtesy of Courtesy of Head First Java, 2nd Edition (0596009208), Page 59



















To understand how an array of object references look in memory, please refer to below graphics, Courtesy of Head First Java, 2nd Edition (0596009208), Page 60














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