Question

a Java program for generating area of circle

Answer 1

Heya.....❤️❤️

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class AreaofCircle{
　　　public static void main()
　　　{
　　　　　{
　　　　　int r = 7;
　　　　　int Area = 22/7 * 7 * 7;
　　　　　System.out.println("Area of circle = " + Area);

　　　　　}
　　　　　}
　　　}

　　　　　　　　Output

Area of circle = 154

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Java is a predifined computer specialized coding.

Java follows some rules in the programs.

Answer 2

Hi

Here is the answer

Static Method
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import java.util.Scanner;
class AreaOfCircle
{
public static void main(String args[])
{

Scanner s= new Scanner(System.in);

System.out.println("Enter the radius:");
double r= s.nextDouble();
double area=(22*r*r)/7 ;
System.out.println("Area of Circle is: " + area);
}
}
Output:
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Enter the radius :
7
Area of circle : 154.0

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