Explain features of OOP.
[5 marks]Write a JAVA program to do sum of command line argument passed two Double numbers.
[5 marks]What is constructor? How it is different from methods?
[5 marks]Write a program that illustrates interface inheritance. Interface Ais extended by A1 and A2. Interface A12 inherits from both P1 and P2.Each interface declares one constant and one method. Class Bimplements A12. Instantiate Band invokes each of its methods. Each method displays one of the constants.
[5 marks]Differentiate between interface and abstract class.
[5 marks]Write a JAVA program to define abstract class, with two methods addition() and subtraction(). addition() is abstract method. Implement the abstract method and call that method using a program(s).
[5 marks]Explain JAVA API Packages in detail.
[5 marks]What is wrapper class? Explain boxing and unboxing in detail.
[5 marks]Write a program that generates custom exception for divide by zero situations.
[5 marks]What are the steps for creating a new thread of execution?
[5 marks]Draw and explain life cycle of thread.
[5 marks]Give the difference between checked and unchecked exceptions.
[5 marks]Draw and explain life cycle of applet.
[5 marks]Describe the various sections of web page.
[5 marks]Explain local applet and remote applet with example.
[5 marks]Can we declare main ( ) in applet application? Justify your answer
[5 marks]