public class Hellows {
public static void main(String[] args) {
try {
int j = Integer.parseInt(args[0]);
for (int i = 0; i < j; i++) {
System.out.println("Hello World! " + j);
}
} catch (ArrayIndexOutOfBoundsException e) {
System.out.println(" java Hellows 1 のように実行してください");
}
}
}