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What is difference between variable declaration and variable initialization? What two things are required to be specified while variable declaration? Conventions for Declaring Variables.

What is difference between variable declaration and variable initialization? What two things are required to be specified while variable declaration? Conventions for Declaring Variables.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Q.3. [Variables]

  1. What is difference between variable declaration and variable initialization?
  2. What two things are required to be specified while variable declaration?
  3. Conventions for Declaring Variables.
Expert Solution
Step 1

Ans - 1:

Variable declaration means that giving the name and space in memory of specified type to variable and variable initialization means that giving some value to variable with declaration or after declaration.

For example:

Variable declaration:

int abc;

 

Variable initialization:

int abc = 12; 

or

int abc;

abc = 5;

Step 2

Ans - 2:

Two things are required to be specified while variable declaration are variable name and data type.

For example:

int abc;

where, int is a data type and abc is the name.

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