자바의 정석 8장. 예외처리

package chap8;

public class ExceptionEx7 {
	public static void main(String args[]) {
		try {
			int i = 1/0;
		} catch (Exception e) {
		} catch (ArithmeticException e) {
			//"Unreachable catch block for ArithmeticException. It is already handled by the catch block for Exception"
		}
	}
}

Scanner scanner = null;
try {
    scanner = new Scanner(new File("test.txt"));
    while (scanner.hasNext()) {
        System.out.println(scanner.nextLine());
    }
} catch (FileNotFoundException e) {
    e.printStackTrace();
} finally {
    if (scanner != null) {
        scanner.close();
    }
}

try (Scanner scanner = new Scanner(new File("test.txt"))) {
    while (scanner.hasNext()) {
        System.out.println(scanner.nextLine());
    }
} catch (FileNotFoundException fnfe) {
    fnfe.printStackTrace();
}