exam6_5.java

基本的数据结构的java代码

public class Exam6_5{
	public static void display(int n){
		for(int i = 1; i <= n; i ++){
			System.out.print("     " + n);
		}
		System.out.println();
		
		if(n > 0) display(n - 1);
	}
	
	public static void main(String[] args){
		int n = 9;
		
		display(n);
	}
}