Rashtrasant Tukadoji Maharaj Nagpur University 2006 M.C.A Java Programming - Question Paper

RNL/SK6-1685
Second Semester Master in Computer
Application (Part –I) exam
(New Course)
JAVA PROGRAMMING
Paper 2CSA4
Q1.Either
(a) Why should the main method in JAVA programming need to be public, static and void ? What does string args[] means in main definition?
(b) Explain object oriented programming features of JAVA
OR
(c) What is multithreading ? How does it improve the performance of JAVA.
(d) discuss the relationship of the subsequent with a program
i) Private class-package
ii) Final class-package
Q2
(a) Explain how we assign 1 object reference variable to a different. Write a program to pass parameters to applet.
(b) discuss with suitable example , how does String class differ from the StringBuffer class.
OR
c) What is the accurate declaration of an abstract method that is intended to be public and why? discuss every choice
i) public abstract void add( );
ii) public virtual add( );
Q3 (a) define the complete life cycle of a Thread.
(b) What is Frame? List constructors and Method available in frame with suitable example.
OR
c) Develop a simple real-life application program to illustrate the use of multithreads.
D) What is an Event? discuss Action Event in detail.
Q4
(a) Describe the different steps involved in developing and running a local and remote applet.
b) discuss the subsequent terms in detail
i) Socket
ii) URL
OR
(c) define the different parts of a web page.
(d) Write the code in JAVA to use Applet in HTML page. How can argument can be passed to an Applet.
Q5
(a) Distinguish ranging from
i) InputStream and learner classes
ii) OutputStream and author classes
(b) discuss in detail Exception handling model.
OR
(c) Write a program in JAVA to copy the content of 1 file into a different and presume suitable file structure
(d) List a few of the most common kinds of exceptions that might occur in JAVA. discuss every with suitable example

Earning:   Approval pending.