Exception Handling
Introduction to Exception
Errors in Java Programs
Exception in Java Programs
Exception Handling Mechanism
Assignment
Exception Handling Mechanism: Full Flow Program
Assignment
Exception Handling Mechanism: Full Flow Program
Build one Java program that uses try, catch, finally, throw, and throws. Include a method that validates input (for example age or marks) and throws an exception for invalid data. Catch it in main and ensure finally always executes.
Built-in and User Defined Exceptions in Java
Assignment 1
Built-in Exceptions Practice
Assignment 1
Built-in Exceptions Practice
Write a Java class that demonstrates and handles four built-in exceptions: ArithmeticException, NumberFormatException, ArrayIndexOutOfBoundsException, and NullPointerException. Use separate methods for each case.
Assignment 2
User Defined Exception Practice
Assignment 2
User Defined Exception Practice
Create a custom exception class (for example InvalidAgeException or InvalidMarksException). Use it in a Java program to validate user input, throw the exception when validation fails, and handle it with a meaningful message.