How to sort a vector elements that contains the user define
class object? (Note: If Suppose consider, A Student class
contain two data members. They are String studentName and
int rollNo. I am creating Four objects for this class, each
object contains students details like name and roll no. Now
i am storing that objects in vector and if i retiving the
elements from the vector means then it should be display in
sorting order)
Q1.A. Write note on “The class path Environment Variable”?
B. Which are different kinds of source code?
Q2.A. How to create an interface?
B. Why convert an applet to an application?
Q3.A. How to use Media tracker Class.
B. How to use string tokenizer class.
Q4 A. Explain the overview of UDP messaging.
B. Difference between SQL Exception class and SQL
Warning class.
Q5. A. How to create com object in Java?
B. Write short notes on “The properties class”
Q6. A. When object is created and destroyed?
B. Explain the JDB in depth & command line.
C. Write short notes on Web Sites.
For ease of programming you can consider the maze as a 2D
array with colors represented by below integer and
characters (in capital letters).
• B - Black
• W -White
• G- Green
• R- Red
R B W B W W W W
W W
B W B B W W W W
W W
W B W B W W W B
W W
W W B B W W W B
W W
W B W W B B B B
W B
W B W W B W W W
B W
W W B B B W W B
W W
W B W W B W B W
W W
B W B W W W W B
B W
W W W B W W W W
W G
Shortest Route Problem:
• Solution that finds the shortest Route between Red
and Green
 White will have 1 Weight.
 Red and Green carry no weights.
 Shortest path is the path with less weight when you
add up the weights in the path.
86
What are listeners in java and explain ?
191
Is there any use of an abstract class which has no methods
and no attributes?
What is clipping and repainting and what is the relation
between them?
430
what is difference between business delegate and data access
object(dao)? in java?
178
Hi friends am new to java. I read jar file means collection
of java files. For executing struts application what are
the necessary jar files. " struts.jar " file contains
what. can u explain
21
I am unable to find or learn about print command. I have a
graphical program in core java in applet but i want to give
print command but i have coding for that so if anyone know
about this plz mail me on avdhesh_chauhan007@yahoo.co.in
98
What are the names of Component subclasses that support
painting?
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