EXCEPTIONS IN JAVA EXCEPTION IN JAVA : When a program runs into an error (like dividing a number by zero, accessing an invalid array index, or trying to open a file that doesn’t exist), Java creates an exception object that describes the error. The program can then handle this exception to continue running instead of crashing. They can be caught and handled using try , catch , and finally blocks. BUILT-IN EXCEPTION : Built-in exceptions in Java are the predefined exception classes provided by the Java API (in the java.lang package and others). They repre...