掛け算です

public class yurli {

	public static void main(String[] args) throws Exception {
		for (int i = 1; i <= 9; i++) {
			for (int j = 1; j <= 9; j++) {
				System.out.print(i*j);

			}
		System.out.println();
		}
	}
}
  掛け算九九風
 1   2   3   4   5   6   7   8   9
 2   4   6   8   10  12  14  16  18
 3   6   9   12  15  18  21  24  27
 4   8   12  16  20  24  28  32  36
 5   10  15  20  25  30  35  40  45
 6   12  18  24  30  36  42  48  54
 7   14  21  28  35  42  49  56  63
 8   16  24  32  40  48  56  64  72
 9   18  27  36  45  54  63  72  81