_3_78_≪インスタンス|Instance|emdw≫
1217 ワード
package _3_78_ ;
import java.util.Scanner;//
//
public class _3_78_Exercise_1 {
public static void main(String[] args) {
// TODO
Scanner scanner=new Scanner(System.in);//
System.out.print(" :");
int year=scanner.nextInt();
scanner.close();
// , , 。
if((year%4==0&&year%100!=0)||(year%400==0))
System.out.println(year+" ");
else
System.out.println(year+" ");
}
}
package _3_78_ ;
import java.util.Scanner;
//
public class _3_78_Exercise_2 {
public static void main(String[] args) {
// TODO
Scanner scanner=new Scanner(System.in);//
final double PI=3.1415926;//
double r,S,V;// , ,
System.out.print(" :");
r=scanner.nextDouble();
scanner.close();
V=(4/3)*PI*r*r*r;
S=4*PI*r*r;
System.out.println(" "+(float)S);
System.out.println(" "+(float)V);
}
}