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  1. import java.util.Scanner;
  2.  
  3. public class Main {
  4.  
  5. public static void main(String[] args) {
  6. Scanner SC = new Scanner(System.in);
  7. double v, h, s;
  8. System.out.println("四角形の縦の長さを入力");
  9. v = SC.nextDouble();
  10. System.out.println("四角形の横の長さを入力");
  11. h = SC.nextDouble();
  12. s = v * h;
  13. System.out.println("四角形の面積:" + s);
  14. }
  15. }
  16.  
Not running #stdin #stdout 0s 0KB
stdin
Standard input is empty
stdout
Standard output is empty