(9-4)请根据提示补全程序空白处,使程序能够正确运行。 public class Demo { static void show() throws 1 { System. out .println( " 抛出异常!" ); throw new IllegalAccessException( " 一个异常" ); } public static void main(String [] args ) { try { show (); } catch ( 2 e ) { e .printStackTrace(); } } }