App9_IOException

import java.io.*;

public class App {
	public static void main(String[] args) {
		FileInputStream in = null;
		try {
			in = new FileInputStream("theFileIsNotExist.txt");
			int b;
			b = in.read();
			while (b != -1) {
				System.out.print((char) b);
				b = in.read();
			}
		} catch (FileNotFoundException e) { // 小范围的Exception在前面
			e.printStackTrace(); // 打印堆栈信息
		} catch (IOException e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				in.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

}