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004_comission/_resources/it114105/itp3914/Lab03/Ex8.java
louiscklaw 6c60a73f30 update,
2025-01-31 19:15:17 +08:00

14 lines
366 B
Java

import java.util.Scanner;
public class Ex8 {
public static void main(String[] args){
Scanner input = new Scanner(System.in);
int r, l;
System.out.print("Enter r: ");
r = input.nextInt();
System.out.print("Enter l: ");
l = input.nextInt();
System.out.printf("v = %.4f\n", (r*r) * Math.PI * l);
}
}