CS506 Current Midterm Paper Fall 2013 File 9

by Dazzling Bobby on December 21, 2013 at 11:21pm

My todays paper

1.      Why do we have getMaxRows and setMaxRows methods? 2 marks

2.      In java how it is possible to get the name of a specific column in the ResultSet? 2marks

3.      Why this statement is called connection url? Explain by relating it to browser url?

“jdbc:odbc:person DSN”

4. Write a method that display a string ”I am student” at random location on the screen   having size 1200*1000?

5. Write method that displays triangle using line times, Each time a triangle displays it at different location?

6. Write program that extend adapter class for mouse click event, when mouse is clicked in area of frame it displays a dialog box showing msg “mouse clicked”. Import required pakage. Use following code to complete all requirement.

Public class EventsEx{

//put your code here

Public void initGUI(){

//put your code here

Frame.set DefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

Frame.SetSize(350,350);

Frame.SetVisible(true);

}

End init GUI method

Public EventdEx(){

Init GUI();

}

//put your code here

Public static void main (string args[]){

Event.Ex ex new EventEx();

}

}

New MCQS

1. Which database allows us to work having closed connection?

a)      Mysql

b)      postgreSQL

c)      SQL

d)      SQLite

2. If a JPanel has a triangle drawn on it which of the following method will display it

a)      PaintBorder()

b)      Paint()

c)      paintChildren()

d)      paintComponent()

3. Window Adaptor class implements WindowListener interface and provide the definition of all method inside ………………………

a)      WindowListener interface

b)      Inner Class

c)      Outer class

d)      Window adaptor class

4. Even handling is _______________ step process.

a)      1

b)      2

c)      3

d)      4

5. Which of the following is not the method of ResultSetMetaData class.

a)      Previous()

b)      isReadOnly()

c)      getColumnDisplay size()

d)      getColumnCount()

6. The code generate  following output

Student s1, s2, s3, s4

S1= new student();

S2= new student();

a)      1

b)      2

c)      3

d)      4