CS506-Midterm
1 / 50
Which of the following stream read/write data in the form of bytes?
2 / 50
CREATE, ALTER, DROP are _________ SQL statements.
3 / 50
Which of the following statement object is used to execute stored procedures?
4 / 50
If a super class method is protected then overriding method _________
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Which of the following is true about abstract class?
6 / 50
BorderLayout is the default layout manager for a JFrame content pane
7 / 50
Which of the following feature provide facility for multiple inheritances:-
8 / 50
An abstract class --------------- instantiated.
9 / 50
You can ---------to a network using sockets.
10 / 50
Event source can have --------- listeners registered on it.
11 / 50
An expression tag contains a scripting language expression that is evaluated.
12 / 50
Mouse events can be trapped for ________ GUI component.
13 / 50
A top level class without any modifier is accessible to
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A top level class may have only the following access modifier.
15 / 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);
16 / 50
Which of the following package needs to be import while handling files?
17 / 50
Java developed in __________
18 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
19 / 50
Which of the following is called ' pure abstract class ' ?
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22 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
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What if the main method is declared as private?
24 / 50
Overloading is _______ whereas overriding is _____
25 / 50
Which of the following stream is a filter stream?
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ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
27 / 50
Static methods only access ___
28 / 50
____________is/are the JSP Implicit Object(s).
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When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
30 / 50
Socket is a --------------communication channel between hosts.
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32 / 50
All the exceptions and errors in java are inherited from _____ class.
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34 / 50
Which of these are valid declarations for the main method?
35 / 50
Window Listener interface contains _______ methods.
36 / 50
Which of the following is a general purpose container?
37 / 50
When recursive method is called to solve a problem, the method actually is capable of solving only the simpler case(s), or base case(s).
38 / 50
DSN stands for _________
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40 / 50
Which of the following package needs to import while interacting with relational database?
41 / 50
Which of the following are passed as an argument to the paint ( ) method?
42 / 50
Which of following can be thrown using the throw statement?
43 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
44 / 50
Which of the following method is used to execute SELECT SQL statements?
45 / 50
Which of the following exception belongs to a category of un-checked exception?
46 / 50
In Java a final class must be sub-classed before it.
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48 / 50
Which of the following function will be used to register event handler with events generator (button)?
49 / 50
In Java an abstract class cannot be sub-classed
50 / 50
What if the static modifier is removed from the signature of the main method?
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