java打印出实心菱形与空心菱形

/**   * 实心菱形   */ public static void method8() {   System.out.print("请输入实心菱形的行数：");   int n = in.nextInt();   int upRows = n / 2, starControl = 2, spaceControl = -1, spaceNum = n / 2, starNum = 1;   f

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