41异常的概念 class Excep Test i public void main (string args i int b=0; int a; tryi a=47b; 1 catch(ArithmeticException e) { System. out. printIn(“ divided by0”);} try url urlnew UrlcHTtp://www.hit.edu.cn/,hit.gif);5 catch( MalformedURLEception e) i badUrlstrue; repaint4.1 异常的概念 8 . class ExcepTest { public void main(String args[]) { int b=0; int a; try { a=4/b;} catch(ArithmeticException e) { System.out.println(“divided by 0”);} }} try{ URL url=new URL(http://www.hit.edu.cn/”,”hit.gif”);} catch(MalformedURLEception e) { badURL=true; repaint();}