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Update Exercise 1.1.java #10

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33 changes: 17 additions & 16 deletions week 1/Exercise 1.1.java
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Original file line number Diff line number Diff line change
@@ -1,18 +1,19 @@
//To find the perimeter and area of a circle given a value of radius.
import java.util.Scanner;
public class Exercise1_1 {
public static void main(String[] args) {
Scanner s = new Scanner(System.in);
double radius= s.nextDouble();
double perimeter;
double area;
//Calculate the perimeter

perimeter = 2 * Math.PI * radius;
//Calculate the area
area = perimeter * radius;

System.out.println(perimeter);
System.out.println(area);
import java.util.*;
class xyz
{
void main()
{
Scanner obj=new Scanner (System.in);
System.out.println("Enter the number ");
int r=obj.nextInt();
double perimeter;
double area;
perimeter=2*2.14*r;
area=2.14*r*r;
System.out.println(" The perimeter is " +perimeter);
System.out.println(" The area is " +area);
}
}
}