1 public class Ch049 {
2
3 public static void main(String[] args) {
4 // TODO 自動生成的方法存根
5
6 int a = 1, b = 1;
7 for (int i = 1; i <= 20; i++) {
8
9 System.out.print(a + "\t");
10 if (i % 5 == 0) {
11 System.out.println();
12 }
13 b = b + a;
14 a = b - a;
15 }
16
17 }
18
19 }