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Java 6 Illuminated: An Active Learning Approach, 2nd Edition
book

Java 6 Illuminated: An Active Learning Approach, 2nd Edition

by Julie Anderson, Herve J. Franceschi
February 2008
Intermediate to advanced content levelIntermediate to advanced
1288 pages
39h 39m
English
Jones & Bartlett Learning
Content preview from Java 6 Illuminated: An Active Learning Approach, 2nd Edition
Declare each variable only
once,the first time the
variable is used.After the
variable has been declared,
its data type cannot be
changed.
COMMON ERROR
TRAP
54 CHAPTER 2 Programming Building Blocks—Java Basics
you will receive a compiler error similar to the following:
twoCents is already defined
Similarly, once you have declared a variable, you cannot change its data
type. Thus, these statements:
double cashInHand;
int cashInHand; // incorrect, data type cannot be changed
will generate a compiler error similar to the following:
cashInHand is already defined
2.2.7 String Literals and Escape Sequences
In addition to literals for all the primitive data types, ...
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Publisher Resources

ISBN: 9780763749637