ExceptionDemo.java

/**
 * Exception Demonstration
 * 
 * Run main method with 
 * 
 *   no arguments
 *   0
 *   1
 *   hello
 * 
 * and watch (and explain!) the output.
 * 
 * @author jtk
 * 
 * @date 3/6/2013
 */
public class ExceptionDemo {
    public static void main(String[] args) {
        try {
            int x = Integer.parseInt(args[0]);

            System.out.printf("try: x = %d\n", x);
            
            int z = 42 / x;
            
            System.out.printf("try: z = %d\n", z);
            
            return;
            
        } catch (ArrayIndexOutOfBoundsException e) {
            System.out.println("ArrayIndexOutOfBoundsException: " + e.getMessage());
            
        } catch (NumberFormatException e) {
            System.out.println("NumberFormatException: " + e.getMessage());
            
        } catch (ArithmeticException e) {
            System.out.println("ArithmeticException: " + e.getMessage());
            
        } catch (Exception e) {
            System.out.println("Exception: " + e.getMessage());

        } finally {
            System.out.println("finally");
        }
        
        System.out.println("end");
    }
}