回答編集履歴
1
printf を使うコードを追加
test
CHANGED
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@@ -27,3 +27,37 @@
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}
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```
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printf を使うと、
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35
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```Java
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37
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class Main {
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public static void main(String args[]) {
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int n = Integer.valueOf(args[0]);
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String fmt1 = String.format("%%%dc%%n", n);
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if (n > 0) System.out.printf(fmt1, '*');
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for (int i = 2 - n; i < n - 1; i++) {
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int m = Math.abs(i) + 1;
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String fmt2 = String.format("%%%dc%%%dc%%n", m, (n - m) * 2);
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System.out.printf(fmt2, '*', '*');
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}
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if (n > 1) System.out.printf(fmt1, '*');
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}
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}
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```
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