
/* |
* |
*** |
***** |
******* |
***** |
*** |
* |
*/ |
//打印菱形 |
public static void star() { |
int num=8; //总行数 |
for (int i = 1; i <=num ; i++) { |
for(int m=1;m<=num-i;m++) { |
System.out.print(" "); //打印空格 3 2 1 |
} |
for (int j = 1; j <=i*2-1; j++) { |
System.out.print("*"); //打印星星 1 3 5 7 |
} |
System.out.println();//换行 |
} |
//打印下半部分 |
for (int i = num-1; i>=1; i--) { |
for(int j=1;j<=num-i;j++) { |
System.out.print(" ");//打印空格 1 2 3 |
} |
for (int k = 1; k <=2*i-1; k++) { //打印星星 5 3 1 |
System.out.print("*"); |
} |
System.out.println(); |
} |
} |



