Java practice 实现菱形打印

其实算法和C语言一样——

package test;
import java.util.Scanner;
public class Fruit {
	  public static void main(String[] args) {
		Scanner s=new Scanner(System.in);
		int n,i;
		n=s.nextInt();
		
		for ( i = 1; i <= n; i++) {
			
			for (int k = 0; k 					
										


					

						
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