编辑代码

import java.util.Scanner;

class TestQiMo {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入数字");
        int num = sc.nextInt();
        printPattern(num);
    }

    public static void printPattern(int num) {
        if (num <= 0) {
            return;
        }
        printPattern(num - 1);
        for (int i = 1; i <= num; i++) {
            System.out.print(num + " ");
        }
        System.out.println("\n");
    }
}