Throwable is super class of Exception as well as Error. In normal cases we should always catch sub-classes of Exception , so that the root cause doesn’t get lost. Only special cases where you see possibility of things going wrong which is not in control of your Java code, you should catch Error or Throwable .
But, for a short answer: Throwable is the root of all sequence-interrupting events, including java.lang. Exception . Usually, application developers will want to subclass java.lang. Exception . For more details, I encourage you to ask the folks in the Java In General forum.
3. The first one catches all subclasses of Throwable (this includes Exception and Error), the second one catches all subclasses of Exception Class. Error is programatically unrecoverable in any way and should be avoided as far as catching is concerned, except for logging purposes, which in turn should throw it again.
When should Throwable be used instead of new Exception?, You could throw an Exception , an appropriate existing subclass of it (except RuntimeException and its subclasses which are unchecked), or a Throwable is the superclass to Exception and Error, so you would catch Throwable if you wanted to not only catch Exceptions but Errors, that’s the point in having it..
26. Throwable is a class for all the bad situations, which can arise: Errors & Exceptions. Error is something, you can’t handle at all: OutOfMemoryError, VirtualMachineError, etc. Exception is for exceptional cases. Exceptions come in 2 flavours:, java – When should Throwable be used instead of new Exception? – Stac…, java – Custom Exception class – extends from Exception or Thowable …
java – Difference between using Throwable and Exception in a try catch …
java – Difference between using Throwable and Exception in a try catch …
8/5/2019 · Moving on with this article on Difference between throw, throws, and throwable in java. Throw: The throw keyword in Java is used to explicitly throw an exception from a method or any block of code. We can throw either checked or unchecked exception. The throw keyword is mainly used to throw custom exceptions. Syntax:, 7/24/2018 · Exceptions : An Exception “indicates conditions that a reasonable application might want to catch.” Exceptions are the conditions that occur at runtime and may cause the termination of program. But they are recoverable using try, catch and throw keywords. Exceptions are divided into two catagories : checked and unchecked exceptions . Checked …
5/19/2020 · The throwable class implements Serializable Interface and the direct known classes to Throwable are Error and Exception. Throwable contains a snapshot of the execution stack of its thread at the time it was created. It can also contain a message string that gives more information about the error.
12/23/2016 · Constructors Of Throwable class Which support chained exceptions in java : Throwable ( Throwable cause) :- Where cause is the exception that causes the current exception . Throwable (String msg, Throwable cause) :- Where msg is the exception message and cause is the exception that causes the current exception .
The Exception class provides specific constructor methods that accept a Throwable as a parameter. Otherwise, you lose the stack trace and message of the original exception which will make it difficult to analyze the exceptional event that caused your exception .
