Q.no. 1: CLO-IV (10 marks) 1. Write the process of exception handling in java using bullet points. (2 Marks) 2. Create a custom exception of unchecked type and write a simple program to display the use of your custom exception. (4 Marks) 3. Write the difference between throw and throws keywords used for exception handling (2 Marks) 4. What is exception propagation? How to handle exception in child class? (2 Marks) CSC241 - Object Oriented Programming COMSATS University Islamabad, Wah Campus Fall-2020 BEE-3A, 3B, 3C Muhammad Qasim Assignment #4 Due Date: 01-January-2020 Q.no. 2: CLO-IV 1. What is difference between java.io package and java.nio package? (2 Marks) 2. What is difference between absolute and relative path? (2 Marks) 3. What is the use and advantage of Object Serialization in java? (2 Marks) 4. What is difference between character stream and byte stream? (2 Marks) 5. What is Formatter class? What is use of Formatter class in java? (2 Marks) Q.no. 3: CLO-IV (10 marks) (10 marks) 1. For example I have recruited you in my software house and assign you a task to create a GUI based calculator application that has only 0-9 numbers and supports four arithmetic operation i.e. +, -, x, and / using java. Write the steps that you will follow to create that application