ExceptionDemoFinally.java

public class ExceptionDemoFinally {
    public static void genException(int what) {
        int t;
        int[] nums = new int[2];
        System.out.println("Receiving " + what);
        try {
            switch(what) {
                case 0:
                    t = 10 / what; // generate div-by-zero error
                    break;
                case 1:
                    nums[4] = 4; // generate array index error.
                    break;
                case 2:
                    return; // return from try block
            }
        }
        catch (ArithmeticException exc) {
            // Catch the exception.
            System.out.println("Can't divide by Zero!");
            return; // return from catch
        }
        catch (ArrayIndexOutOfBoundsException exc) {
            // Catch the exception.
            System.out.println("No matching element found.");
        }
        finally {
            System.out.println("Leaving try.");
        }
    }
}
class FinallyDemo {
    public static void main(String[] args) {
        for(int i=0; i < 3; i++) {
            ExceptionDemoFinally.genException(i);
            System.out.println();
        }
    }
}