Exceptions – The Java Certification Roadmap

Catching and Handling Exceptions

By Raul Rios

The try Statement The try statement is used wherever there is code that could throw an exception. It involves the use of three reserved words: try, catch and finally. The syntax is the following:


  try {
     // code that could throw an exception of any of the types below
  }
  catch (ExceptionType1 e) {
     // exception handler code here
  } 
  catch (ExceptionType2 e) {
     // exception handler code here
  }
  …
  catch (ExceptionTypeN e) {
     // exception handler code here
  }
  finally {
     // cleaning and closing resources here
  }

try {

// code that could throw an exception of any of the types below

}

catch (ExceptionType1 e) {

// exception handler code here

}

catch (ExceptionType2 e) {

// exception handler code here

}

…

catch (ExceptionTypeN e) {

// exception handler code here

}

finally {

// cleaning and closing resources here

}

The try statement must contain at least one catch block or one finally block. The ..Continue Reading