public
class
Work02
...
{ /** *//** * @param args */ public static void main(String[] args) throws IOException ...{ // TODO Auto-generated method stub BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int i; System.out.println("请输入一个数字:"); String str = br.readLine(); i = Integer.parseInt(str); Work02 w1 = new Work02(); w1.showPicture(i); } // 把图象分成两部分进行考虑 public void showPicture(int n) ...{ // 打印上半部分图象 for (int i = 0; i < n; i++) ...{ for (int j = 0; j < n - i; j++) ...{ System.out.print(" "); } for (int j = 0; j < 2 * (i + 1) - 1; j++) ...{ System.out.print("*"); } System.out.println(); } // 打印下半部分图象 for (int i = 0; i < n - 1; i++) ...{ for (int j = 0; j < i + 2; j++) ...{ System.out.print(" "); } int k = n - 1 - i; for (int j = 0; j < 2 * k - 1; j++) ...{ System.out.print("*"); } System.out.println(); } } }
希望大家指点一下啊!
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