EBK JAVA PROGRAMMING
EBK JAVA PROGRAMMING
9th Edition
ISBN: 9781337671385
Author: FARRELL
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 2, Problem 1RQ
Program Description Answer

After compilation, when a data in the program cannot be changed, then that data is defined as “constant”.

Hence, the correct answer is option “B”.

Expert Solution & Answer
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Explanation of Solution

Constant:

The variable is defined as constant variable when the data item cannot be changed while the program is running.

  • Constants are mostly used to define default values.
    • For example: PI has the constant value 3.14.
  • Consider the following statement in a Java class, the number 143 is constant, every time the java application containing the below statement with constant 143 is executed, the value 143 is displayed.

System.out.println(143);

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