//this is code that doesn''t handle the exception, but passes it//to the calling method to handle.//Good if the exception means that program execution can''t continue//because something very screwed up has happenedtry {  //call readLine, etc. Methods that throw IOException.} catch(IOException e) {  throw e;}        //This code just prints the stack trace (poor example of handling the exception).//You handle the exception, and don''t rethrow it if you think that the exception is trivial and can be handled locally.//you want program execution to continue.try {  //call readLine, etc. Methods that throw IOException.} catch(IOException e) {  e.printStackTrace();}