Chained exceptions. - Java Object Oriented Design

Java examples for Object Oriented Design:Exception

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Description

Chained exceptions.

Demo Code

public class Main
{
   public static void main(String[] args)
   {/*from w  w  w  .  j ava  2 s . co  m*/
      try 
      { 
         method1(); 
      } 
      catch (Exception exception) // exceptions thrown from method1
      { 
         exception.printStackTrace();
      } 
   } 

   // call method2; throw exceptions back to main
   public static void method1() throws Exception
   {
      try 
      { 
         method2(); 
      }
      catch (Exception exception) // exception thrown from method2
      {
         throw new Exception("Exception thrown in method1", exception);
      }
   } 

   // call method3; throw exceptions back to method1
   public static void method2() throws Exception
   {
      try 
      { 
         method3(); 
      } 
      catch (Exception exception) // exception thrown from method3
      {
         throw new Exception("Exception thrown in method2", exception);
      } 
   } 

   // throw Exception back to method2
   public static void method3() throws Exception
   {
      throw new Exception("Exception thrown in method3");
   } 
}

Result


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