java 打印菱形和空心菱形

顯示效果是這樣的： java 代碼以下：code int hangshu = 11; int yiban = hangshu / 2 + 1; int yibanduo = hangshu / 2; System.out.println("空心菱形："); for(int k = 1;k <= yiban;k++){ for(int i = 1;i <= (yiban - k

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