java try catch

Try-Catch:

• Java API provides 5 keywords to handle exceptions.
• Keywords are try, catch, finally, throws and throw.

try:

• ‘try’ is a keyword.
• It is used to define a block.
• It contains doubtful code that raises exception.
• In case of runtime error, try block create exception object implicitly.

catch:

• It is a block.
• It is used to collect exception object that is created in the try block to be handled.
• Catch block executes only in case of exception in the try block.

try
{
	1. Doubtful code.
	2. Exception related code.
}
catch(Throwable obj)
{
	Handling logic....
}

Default Exception Handler:

• It is a pre-defined program
• It is recommended to handle every exception by the programmer.
• If the programmer is not handled then “Default Exception Handler” handles the object with pre-defined error information.