Introduction to Programming

try...catch 

When an exception is thrown inside a try block, it redirects control flow to its first catch clause (the one that catches NullPointerException in the following example):

void exceptionCaught(){  try {    method2();  } catch (NullPointerException ex){    System.out.println("NPE caught");    ex.printStackTrace();  } catch (RuntimeException ex){    System.out.println("RuntimeException caught");    ex.printStackTrace();  } catch (Exception ex){    System.out.println("Exception caught");    ex.printStackTrace();  }}

If there are more than one catch clauses, the compiler forces you to arrange them so that the child exception is listed before the parent exception. In our previous example, NullPointerException extends  RuntimeException extends Exception. If the ...