V SEMESTER B.C.A. EXAMINATION OCT/NOV 2011
Y2K8 SCHEME
COMPUTER SCIENCE
BCA 504 : JAVA PROGRAMMING
Time : 3Hours Max.Marsk: 60
Instruction : Answer all sections
Y2K8 SCHEME
COMPUTER SCIENCE
BCA 504 : JAVA PROGRAMMING
Time : 3Hours Max.Marsk: 60
Instruction : Answer all sections
SECTION-A
Answer any ten questions 10 x 1 = 10
1.What is a byte code ?
2.What are separatos.
3.What is transient variable ?
4.What ia an abstract class ?
5.What is a unicode ?
6.What is an empty statement ?
7.When do we declare a method final ?
8.What is string buffer class ?
9,What is a local applet ?
10.what is blocking thread ?
11.------------------------------------ method flushes the stream.
12.Which listener interfaces can be added to a Text Area object ?
SECTION-B
Answer any 5 questions.
13. How is C++ is different from Java ?
14.How is Java Strongly associated with the internet ?
15.Why do we need the import statement ?Explain with an example.
16.Explain the uses of 'Super ' keyword in java's inheritance concept with syntax.
17.What are the differences between java applications and applet.
18.wha is a vector ?Explain.
19.What are events ?Explain event handling in Java.
20.Write a Java Program to check whether the given no is prime or not.
SECTION -C
Answer any 5 questions. 5 X 7 = 35
21. Compare in terms of their functions. the following pairs of statemtnes:
a) While and do while/
b)While and for
c) break and continue.
22.Explain any 7 methods of string class.
23.What is an interface ? How to implement interface ?Give example of Java code.
24.with a sample program explain different ways of creating a thread.
25.Explain life cycle of applet with an example.
26.What is an exception handling ? How to handle exceptions? Explain with program.
27.Explain about the graphic class.
28.Write a program to implement keyboard events.
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