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 Core Java  |  Question 343 of 492    Print  
what is throwable and where should we use this?

  
Total Answers and Comments: 1 Last Update: December 20, 2006     Asked by: veera 
  
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December 20, 2006 07:35:24   #1  
santh kumar Member Since: February 2006   Contribution: 22    

RE: what is throwable and where should we use this?
" Throwable " is a class(it's default super class is Object) in java API. The Throwable class is the superclass of all errors and exceptions in the Java language. Only objects that are instances of this class (or one of its subclasses) are thrown by the Java Virtual Machine or can be thrown by the Java throw statement. Similarly, only this class or one of its subclasses can be the argument type in a catch clause. it's a simpe example here. public class ThrowableEx { public static void main(String[] args) { try { System.out.println(" In the Try Block"); int i=10; int j=0; int k=i/j; System.out.println("The value is : " + k); } catch(Throwable e) { System.out.println(" Caught in Throwable class"); } }}
 
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 Related Questions

1. Can You catch the Error? 2. Difference between compiletime exception and runtime exception?3. How you throw user defined exception?4. How you handle throwable while using exceptions ?5. What are the methods available in Object ?6. Is there any methods available in serialization ?7. How you seralize an Object ?8.How you get the serialized object ? 9. Any methods available in deseralization ?

Latest Answer : " Throwable " is a class(it's default super class is Object) in java API. The Throwable class is the superclass of all errors and exceptions in the Java language. Only objects that are instances of this class (or one of its subclasses) are thrown by ...
Read Answers (1) | Asked by : veera

Can we catch an Error occurred in a class by extending that class with Throwable Since, Exception and error is the sub class of throwable.If yes/no- why? 
Latest Answer : we can handle the exception but we cabt handle error super call of both is throwable ...

We usually extend Exception instead of Throwable. Why? In what situations we extend Throwable.Could anybody give the answer in detail. Thanks in advance. 
Latest Answer : Extending the Exception class (a descendant of Throwable) instead of extending Throwable itself is a programming convention, not a requirement.Like most conventions, following the convention lends consistency to the end result. ...
Read Answers (1) | Asked by : svk_viza


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