Explain features of JAVA.
[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]It is required to compute SPI (semester performance index) of n students of a class for their registered subjects in a semester. Assume that all students register for 6 subjects and each subject carry 5 credits. Also, follow GTU convention and method for computation of SPI. Declare a class called student having following data members: id_no, grades_obtained and spi. Define constructor, display and calculate_spi methods. Define main to process data of n students
[5 marks]Demonstrate method overriding in JAVA with the help of example.
[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]