CS506-Midterm
1 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
2 / 50
Which of the following statement object is used to execute stored procedures?
3 / 50
4 / 50
An expression tag contains a scripting language expression that is evaluated.
5 / 50
Which of the following statements is true regarding Vectors with no specified base type?
6 / 50
A collection can store..........
7 / 50
You can ---------to a network using sockets.
8 / 50
Window frame and dialog use ________ as their default layout.
9 / 50
Which of the following function will be used to register event handler with events generator (button)?
10 / 50
Which of the following is a general purpose container?
11 / 50
Border layout divides the area into _______ regions
12 / 50
JPanel and Applet use ________ as their default layout.
13 / 50
Which of following can be thrown using the throw statement?
14 / 50
Socket is a --------------communication channel between hosts.
15 / 50
In Java garbage collection is done by_______________
16 / 50
17 / 50
DSN stands for _________
18 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
19 / 50
Which of the following syntax is used to attach an input stream to console?
20 / 50
Which of the following belongs to a category of checked exception?
21 / 50
Event source can have --------- listeners registered on it.
22 / 50
The classes which contain the word _____ are byte oriented streams.
23 / 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);
24 / 50
The relationship between class and interface is called ________
25 / 50
In Java an abstract class cannot be sub-classed
26 / 50
A top level class may have only the following access modifier.
27 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
28 / 50
CREATE, ALTER, DROP are _________ SQL statements.
29 / 50
30 / 50
Mouse events can be trapped for ________ GUI component.
31 / 50
What if the main method is declared as private?
32 / 50
Which of the following feature provide facility for multiple inheritances:-
33 / 50
A ___________ defines the way and method of communication between two parties.
34 / 50
Window Listener interface contains _______ methods.
35 / 50
36 / 50
37 / 50
38 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
39 / 50
To create DataBaseMetaData object we write following line of code
40 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
41 / 50
42 / 50
43 / 50
Which of the following package needs to be import while handling files?
44 / 50
Which of the following is true about AWT and SWING components?
45 / 50
A top level class without any modifier is accessible to
46 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
47 / 50
In Java a final class must be sub-classed before it.
48 / 50
All the exceptions and errors in java are inherited from _____ class.
49 / 50
Java developed in __________
50 / 50
If a super class method is protected then overriding method _________
Your score is
The average score is 32%
Restart quiz