Java exception throw and Try,catch application example

1 classLanpingexceptionextendsException2 {3 lanpingexception (String msg)4     {5         Super(msg);6     }7 }8 9 classMaoyanexceptionextendsExceptionTen { One maoyanexception (String msg) A     { -         Super(msg); -     } the } -  - classComputer - { +     Private intstate=2; -      Public voidRun ()throwslanpingexception,maoyanexception +     { A         if(state==1) at         { -             Throw NewLanpingexception ("Lanping!!!"); -         } -         if(state==2) -         { -             Throw NewMaoyanexception ("Maoyan!!!"); in         } -System.out.println ("Run Bat"); to     } +      Public voidReset () -     { theState=0; *SYSTEM.OUT.PRINTLN ("Computer reset!"); $     }Panax Notoginseng } -  the classTeacher + { A     PrivateString name; the     Privatecomputer comp; + Teacher (String name) -     { $          This. name=name; $comp=Newcomputer (); -     } -      Public voidPrelect ()throwsmaoyanexception the     { -         TryWuyi         { the Comp.run (); -System.out.println (name+ "Speak"); Wu         } -         Catch(lanpingexception e) About         { $ System.out.println (e.tostring ()); - Comp.reset (); - Prelect (); -         } A         Catch(maoyanexception e) +         { the System.out.println (e.tostring ()); - test (); $             Throwe; the         } the     } the      Public voidTest () the     { -System.out.println ("Test yourself!"); in     } the } the  About classKandra the { the      Public Static voidMain (string[] args) the     { +Teacher pp=NewTeacher ("Cao"); -         Try the         {Bayi Pp.prelect (); the              the         } -         Catch(maoyanexception e) -         { theSystem.out.println ("..."); the         } the     } the}

Java exception throw and Try,catch application instance