Object Oriented Programming Using Java - Dec 2015

Computer Engineering (Semester 5)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks. 1(a) Write a program that creates and initializes a four integer element array. Calculate and display the average of its values.(7 marks) 1(b) Write a java program to do sum of command line argument passed two Double numbers.(7 marks) 2(a) Define time class with hour and minute. Also define addition method to add two time objects.(7 marks)

Solved any question Q.2(b) & Q.2(c)

2(b) Explain use of Linked List collection class with example.(7 marks) 2(c) Write a program to create circle class with area function to find area of circle.(7 marks)

Solved any question from Q.3 & Q.4

3(a) With example explain use of finally in exception handling.(7 marks) 3(b) Write an application that searches through its command- line argument. If an argument is found that does not begin with and upper case letter, display error message and terminate.(7 marks) 4(a) Explain garbage collection and finalize method in JAVA.(7 marks) 4(b) Explain use of throw in exception handling with example.(7 marks)

Solved any question from Q.5 & Q.6

5(a) Explain constructor overloading using example(7 marks) 5(b) Explain multi threading in java using example.(7 marks) 6(a) Explain method overriding with example.(7 marks) 6(b) Write an application that reads a file and counts the number of occurrences of digit 5. Supply the file name as a command-line argument.(7 marks)

Solved any question from Q.7 & Q.8

7(a) Draw use case diagram for Library Management System.(7 marks) 7(b) Draw class diagram for online restaurant system.(7 marks) 8(a) Draw sequence diagram for book issue process of library.(7 marks) 8(b) Draw class diagram for ATM.(7 marks)