Explain in your own words how and why final variables are used. Illustrate your answer using the code below, explaining how it could be improved by the introduction of final variables. This code is intended to print the areas of 100 circles whose radius is input. The function, inputlnt, returns an integer input by the user. Note you are not required to explain or trace this code, just use it to illustrate points you make about final variables. public static void circles () { for (int i = 1; i <= 100; i ++) { int radius inputInt("What is the radius?"); = 3.14 * radius * radius; double area System.out.println(area); }

Explain in your own words how and why final variables are used. Illustrate your answer using the code below, explaining how it could be improved by the introduction of final variables. This code is intended to print the areas of 100 circles whose radius is input. The function, inputlnt, returns an integer input by the user. Note you are not required to explain or trace this code, just use it to illustrate points you make about final variables. public static void circles () { for (int i = 1; i <= 100; i ++) { int radius inputInt("What is the radius?"); = 3.14 * radius * radius; double area System.out.println(area); }

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter7: User-defined Simple Data Types, Namespaces, And The String Type

Section: Chapter Questions

Problem 10SA

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Concept explainers

Math class and its different methods

Java math class consists of arithmetic math methods that performs basic numeric operations such as finding the maximum or minimum of two values, rounding values, logarithmic functions, square root, and trigonometric functions, etc. The Math library functions can be accessed using the header Java.lang.Math. These math methods under Java math class are for our convenience.

Question

Just explain it and don't use bullet points and also the code written doesn't need to be breaker through it's just to be taken a little help from. The code is not the main thing in this question

a)
Explain in your own words how and why final variables are used. Illustrate
your answer using the code below, explaining how it could be improved by the
introduction of final variables.
This code is intended to print the areas of 100 circles whose radius is input. The
function, inputInt, returns an integer input by the user.
Note you are not required to explain or trace this code, just use it to illustrate
points you make about final variables.
public static void circles ()
{
for (int i
= 1; i <= 100; i ++)
{
int radius
inputInt("What is the radius?");
3.14 * radius * radius;
||
double area
System.out.println(area);
}

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