Core Java Programming, Question Paper of Bsc.IT 4th Semester, Download Previous Years Question Paper 4

Roll No.

Total No. of Questions : 07

MAY 2014

B.Sc.(IT) (Sem.–4th)

CORE JAVA PROGRAMMING

Subject Code : BS-202

Time : 3 Hrs.

NOTE: Section A is compulsory. Attempt three question form section B.

1.      Explain in brief:

a.     Why is java platform independent?

b.     What will be the output of i<<2 i>>2, where int I =12

c.      What is the use of static keyword in Java

d.     Where do we use finalize keyword.

e.      Difference between break and continue.

f.       What is a package in Java? What is its use?

g.     Why do we need a HTML page to exeute an applet?

h.     Difference between error and exception.

i.       What is method overriding?

j.       Difference between public and default access.

Section –B

2.       

a.     Write a program to calculate the area and perimeter of different shapes in java to explain the concept of inheritance.

b.     Write a short note on differences between java and C++

3.     Write java code (without using String class) for a class called MyString. It should have appropriate data members. Constructors and member methods to concatenate copy and find the length of a string. How would you test this class?

4.     What is an exception? Discuss with the help of an example program how an exception can be handled in java?

5.       

a.     What is a web browser? Compare the features of Internet Explorer and Netscape  Navigator.

b.     What features of  java make it suitable to be used on Internet?

6.     What is an interface ? how  interfaces can be used to implement the concept of multiple inheritance in Java.