Скачать или смотреть Selenium automation testing course with Java- Exception Handling in Java- Part 1- class 30

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Exceptional Handling in Java:-
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In Java, an exception is an event that disrupts the normal flow of a program's execution.
It usually occurs when something unexpected happens, such as trying to divide by zero, accessing an invalid array index, or failing to open a file.


What Does the Default Exception Handler Do?
It prints a message describing the exception.
It displays the stack trace, showing where the exception occurred.
It terminates the program abnormally.


What is default exception handler in Java?
In Java, if an exception occurs and you don’t handle it using try-catch, the Default Exception Handler provided by the Java Runtime Environment (JRE) takes over.

Key Points:
The default handler is automatic; you don’t need to write any code for it.
It helps in debugging by showing:
lines numbers
Exception type (java.lang.ArithmeticException)
Reason (/ by zero)
Location (class, method, and line number)