编辑代码

public class PrintSequence {  
    public static void main(String[] args) {  
        int n = 10; // 打印前10行  
        printSequence(n);  
    }  
  
    public static void printSequence(int n) {  
        if (n < 1) {  
            return;  
        }  
        printSequence(n - 1);  
        for (int i = 0; i < n; i++) {  
            System.out.print(n + " ");  
        }  
    }  
}