JNTU ,B-Tech I-Semester Object Oriented Programming Through Java, november 2008

JNTU PAPERS

JNTU ,B.Tech,I-Semester

Object Oriented Programming Through Java,

 

1. (a) Explain about Math class methods.

(b) Write about Java API package. [8+8]

2. (a) Explain about the various access specifiers in java in detail.

(b) Explain about the inner classes with an example. [8+8]

3. (a) Write a Java program to illustrate the usage of the reverse() method of the

StringBuffer class. Give output.

(b) Explain the delete() and deletecharAt() methods of the StringBuffer class.

[8+8]

4. Write a program that randomly draws characters in different font sizes and colors.

[16]

5. (a) What do you mean by an exception and error? Give the hierarchy of the

exceptions in java.

(b) List out the various java built-in exception handlers. [8+8]

 

6. (a) How does the Print Writer method enable writing to the console?

(b) Outline the procedure to handle files. [8+8]

 

7. What are various JDBC driver types and explain in detail? [16]

 

8. (a) How does the server listen for a connection at port?

(b) Describe how to prepare a server to receive a stream based connection request

from a single client? [8+8]

 

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