May 2024
Intermediate to advanced
368 pages
11h 3m
English
book
Object Oriented Programming Through Java by Pearson
by Ramesh Vasappanavara, Anand Vasappanavara, Gautam Vasappanavara
Content preview from Object Oriented Programming Through Java by Pearson
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3.4 Java Basics and Control Loops
3.2.6 Boolean Literals
Boolean data type represents either true or false. For example: boolean flag = true;
boolean ready = false.
Note that we cannot use 1 or 0 to represent true or false as
done in C++. Further, observe that true and false are NOT enclosed in quotes.
3.2.7 Symbolic Constants
Many a times, we need to use symbolic constants such as PI, to represent 3.141519 that remains
constant through out the program. A symbolic name substitutes a sequence of characters or a
numerical value that follows it. Symbolic names are written in capital letters as a convention. We
use declaration final and its syntax and examples are shown below:
final data_type symbolic_name = value ;
final double PI = 3.14159; final ...
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