System Defined Exceptions:

All exceptions are classes. They are subclasses of either ‘Exception’ or ‘RuntimeException’ class. We can also instantiate them. Some common system-defined exceptions are listed below.

Exception Type	Cause of Exception
ArithmeticException	Caused by math errors such as division by zero
ArraylndexOutOfBoundsException	Caused by bad array indexes
ArrayStoreException	Caused when a program tries to store the wrong type of data in an array
FileNotFoundException	Caused by an attempt to access a nonexistent file
lOException	Caused by general I/O failures, such as inability to read from a file
NullPointerException	Caused by referencing a null object
NumberFormatException	Caused when a conversion between strings and number fails
OutOfMemory Exception	Caused when there's not enough memory to allocate a new object
SecurityException	Caused when an applet tries to perform an action not allowed by the browser's security setting
StackOverFlowExceptlon	Caused when the system runs out of stack space
StringlndexOutOfBoundsExceptlon	Caused when a program attempts to access a nonexistent character position in a string