예외 처리

1.

class Ex extends Exception{}
public class ExerciseChp9_6_1 {
	public static void main(String[] args) {
		System.out.println("Entering first try block");
		try {
			System.out.println("Entering second try block");
			try {
				throw new Ex();
			} finally {
				System.out.println("finally in 2nd try block");
			}
		} catch(Ex e) {
			System.out.println("Caught Ex in first try block");
		} finally {
			System.out.println("finally in 1st try block");
		}
	}
}

 

2.

class FinallyClause{
	public int methodA() {
		try {
			return 1;
		}
		catch (Exception e) { return 2; }
	}
	public int methodB() {
		try {
			return 3;
		}
		finally {
			return 4;
		}
	}
}
public class ExerciseChp9_6_2 {
	public static void main(String[] args) {
		FinallyClause fc = new FinallyClause();
		System.out.println("methodA returns " + fc.methodA());
		System.out.println("methodB returns " + fc.methodB());      
	}
}