V Semester B.C.A.Degree Examination,October/November 2012
Y2K8 SCHEME
COMPUTER SCIENCE
BCA 504 : JAVA PROGRAMMING
TIME:3HOURS Max.Marks:60
Instructions: Answer all the sections:
SECTION-A
Answer any ten questions: 10X1=10
1.How is JAVA bytecode different from other low-level computer languae coding?
2.What is meant by scope of a variable ?
3.what are the date typed used in JAVA ?
4.What is the super class of exception ?
5. What do you mean by vector ?
6.Differentiate between a class and an interface.
7.How are threads created in JAVA.
8.What is API?
9.List the various types of action listeners in JAVA.
10.What is an applet ?
11.What are the basic types of JAVA streams ?
12.Define impart keyword.
SECTION-B
Answer any five questions : 5 X 3 =15
13.JAVA is platform independent. Explain.
14.Describe the structure of JAVA program.
15.Explain command LIne arguments.
16.Explain the method for
a) character extraction
b)String comparison
c)String concatenation.
17.Explain the method of a thread class.
18.Explain try, catch and throws with an example.
19.Give the skeleton of an applet and explain all its attributes.
20.Explain any three method of input stream class with examples
SECTION-C 5 X 7 = 35
21.Explain JVM and its components.
22.a) Explain overriding with an example. 5marks
b)What is a static class ? 2marks
23.a)What is a package ? How do you create and access a package ? 3marks
b) Write a JAVA program to implement thread prorities. 4marks
24.What is exception handling ? How to handle exception ? Explain
25. a)What are the advantages of Applets over JAVA applications? 4marks
b)what are the events? Explain event handling in JAVA 3marks
26.a) Write a Short noes on : 4marks
i) Wrapper class
ii) String buffer
b) Explain character strean classes and byte stream classes. 3marks
27.a) Explain the methods available in JAVA input steam classes. 3marks
b) Define abstract class. Discuss its importance. 4marks
Y2K8 SCHEME
COMPUTER SCIENCE
BCA 504 : JAVA PROGRAMMING
TIME:3HOURS Max.Marks:60
Instructions: Answer all the sections:
SECTION-A
Answer any ten questions: 10X1=10
1.How is JAVA bytecode different from other low-level computer languae coding?
2.What is meant by scope of a variable ?
3.what are the date typed used in JAVA ?
4.What is the super class of exception ?
5. What do you mean by vector ?
6.Differentiate between a class and an interface.
7.How are threads created in JAVA.
8.What is API?
9.List the various types of action listeners in JAVA.
10.What is an applet ?
11.What are the basic types of JAVA streams ?
12.Define impart keyword.
SECTION-B
Answer any five questions : 5 X 3 =15
13.JAVA is platform independent. Explain.
14.Describe the structure of JAVA program.
15.Explain command LIne arguments.
16.Explain the method for
a) character extraction
b)String comparison
c)String concatenation.
17.Explain the method of a thread class.
18.Explain try, catch and throws with an example.
19.Give the skeleton of an applet and explain all its attributes.
20.Explain any three method of input stream class with examples
SECTION-C 5 X 7 = 35
21.Explain JVM and its components.
22.a) Explain overriding with an example. 5marks
b)What is a static class ? 2marks
23.a)What is a package ? How do you create and access a package ? 3marks
b) Write a JAVA program to implement thread prorities. 4marks
24.What is exception handling ? How to handle exception ? Explain
25. a)What are the advantages of Applets over JAVA applications? 4marks
b)what are the events? Explain event handling in JAVA 3marks
26.a) Write a Short noes on : 4marks
i) Wrapper class
ii) String buffer
b) Explain character strean classes and byte stream classes. 3marks
27.a) Explain the methods available in JAVA input steam classes. 3marks
b) Define abstract class. Discuss its importance. 4marks
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