编辑代码

public class NumberTriangleRecursive {

    public static void main(String[] args) {
        int n = 5;
        printNumberTriangleRecursive(n, 1);
    }

    public static void printNumberTriangleRecursive(int n, int currentRow) {
        if (currentRow > n) {
            return;
        }

        printNumbers(currentRow, currentRow);
        System.out.println();

        printNumberTriangleRecursive(n, currentRow + 1);
    }

    public static void printNumbers(int number, int count) {
        if (count == 0) {
            return;
        }

        System.out.print(number + " ");
        printNumbers(number, count - 1);
    }
}