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class FileInputStreamでTryWithResourceのを使わない例 {
	public void method() {
		FileInputStream in = null;
		try {
			in = new FileInputStream("A.txt");
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (in != null) {
					in.close();
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
}