CS506-Midterm
1 / 50
Which of the following is true about abstract class?
2 / 50
What if the main method is declared as private?
3 / 50
All the exceptions and errors in java are inherited from _____ class.
4 / 50
JavaBeans are?
5 / 50
Which of the following function will be used to register event handler with events generator (button)?
6 / 50
An abstract class --------------- instantiated.
7 / 50
Which of the following is called ' pure abstract class ' ?
8 / 50
____________is/are the JSP Implicit Object(s).
9 / 50
A ___________ defines the way and method of communication between two parties.
10 / 50
In Java a final class must be sub-classed before it.
11 / 50
You can ---------to a network using sockets.
12 / 50
A top level class may have only the following access modifier.
13 / 50
14 / 50
Border layout divides the area into _______ regions
15 / 50
JPanel and Applet use ________ as their default layout.
16 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
17 / 50
To create DataBaseMetaData object we write following line of code
18 / 50
Which of the following is used for inheritance in java?
19 / 50
Which of the following statement object is used to execute stored procedures?
20 / 50
If a super class method is protected then overriding method _________
21 / 50
Which of the following are passed as an argument to the paint () method:
22 / 50
The code below draws a line. What color is the line? g.setColor(Color.red.green.yellow.red); g.drawLine(0, 0, 100,100);
23 / 50
Which of the following method is used to execute SELECT SQL statements?
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25 / 50
DSN stands for _________
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28 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
29 / 50
Which of the following feature provide facility for multiple inheritances:-
30 / 50
Map interface is derived from the Collection interface.
31 / 50
HahMap takes key as a/an _________
32 / 50
Event source can have --------- listeners registered on it.
33 / 50
CREATE, ALTER, DROP are _________ SQL statements.
34 / 50
In Java an abstract class cannot be sub-classed
35 / 50
Which of following can be thrown using the throw statement?
36 / 50
A collection can store..........
37 / 50
There are _________ types of exceptions in Java
38 / 50
Mouse events can be trapped for ________ GUI component.
39 / 50
The relationship between class and interface is called ________
40 / 50
Which of the following is true about AWT and SWING components?
41 / 50
Which of the following stream is a filter stream?
42 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
43 / 50
The collections API are defined in ______ package?
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46 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
47 / 50
Java developed in __________
48 / 50
Which of the following package needs to be import while handling files?
49 / 50
50 / 50
What if the static modifier is removed from the signature of the main method?
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