update,

2025-01-31 19:15:17 +08:00
parent 09adae8c8e
commit 6c60a73f30
1546 changed files with 286918 additions and 0 deletions
--- a/_resources/it114105/itp3914/Lab03/Ex8.java
+++ b/_resources/it114105/itp3914/Lab03/Ex8.java
@@ -0,0 +1,13 @@
+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);
+    }    
+}