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IGNOU UNIVERSITY MCA - I (SEM 2) DEC 2009 : Object Oriented Technologies and Java Programming

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MCS-024 I MCA (Revised) Term-End Examination .714 December, 2009 cV MCS-024 : OBJECT ORIENTED TECHNOLOGIES AND JAVA PROGRAMMING Maximum Marks : 100 Time : 3 hours Note : Q. No. 1 is compulsory. Attempt any three questions from the rest. 1. (a) How does java handle event ? 8 Write a program in Java to capture an event generated by keyboard. Write a program to generate a line in an applet ? 4 Explain Java Thread Model along with priorities 6 Write any four methods involved in output stream class. 8 Discuss the throwabte class hierarchy for handling exceptions in Java 6 (f) Differentiate between superclass and subclass. Also write a program to show the reusability concept. 8 MCS-024 1 P.T.O. 2. (a) Explain the differences between Swing and 10 AWT. Also, write the advantages of swing based GUI Write a program describing the usage of multidimensional array. Explain the usage of iterative statements 4 (for, do-while) using programs. 3. (a) Why the public and static keywords are used 5 in "public static void main ()" ? Explain. 5 What are the benefits of OOPS ? Explain Applet life cycle along with 10 methods used with it, what are those components of an event used with AWT. 4. (a) Explain the usage of Abstract classes. What is the relation in interface and inheritance ? Also, explain how multiple inheritance can be implemented using interface. Write a Java program to copy the text contents of one file into another file. 5. 5 8 7 (a) Explain access control used in Java with all 10 types of specifiers characteristics. Also, give an example for each. (b) Write client and server programs in Java to 10 show the tcp connection establishment and data transfer. -o0o- MCS-024 2

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Additional Info : Mca - I (sem 2) December 2009 Question Paper - Object Oriented Technologies and Java Programming(Revised Course)
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