Instructor Solutions Manual For Introduction To Java Programming And Data Structures, Comprehensive Version, 11th Edition
11th Edition
ISBN: 9780134671581
Author: Liang
Publisher: PEARSON
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Chapter 2.4, Problem 2.4.1CP
Program Plan Intro
Identifiers:
Identifier is the name of the element which is used to identify class, method, and variable in a program.
Example declaration of variable identifier:
data_type identifier-name;
Here,
- “data_type” is to mention the type of the identifier.
- “identifier-name” is the name of the identifier.
Rules of defining identifiers:
To declare an identifier, the programmer should follow the below rules:
- An identifier can use sequence of characters like digit, letters, underscores (_), and dollar signs ($).
- The identifier must not be a predefined word.
- The identifier cannot be “true”, “false”, or “null”.
- An identifier cannot start with digit. It can start with letter, underscore (_), or dollar sign ($).
- It can any of length and cannot use special characters.
Keywords:
Keyword is the reserved word by a program. Because, it has special meaning such as abstract, new, private, etc.
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Chapter 2 Solutions
Instructor Solutions Manual For Introduction To Java Programming And Data Structures, Comprehensive Version, 11th Edition
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