CS506-Midterm
1 / 50
Which of the following are passed as an argument to the paint ( ) method?
2 / 50
If we remove static from main then program __________
3 / 50
Which of the following function will be used to register event handler with events generator (button)?
4 / 50
An abstract class --------------- instantiated.
5 / 50
The relationship between class and interface is called ________
6 / 50
CREATE, ALTER, DROP are _________ SQL statements.
7 / 50
A top level class without any modifier is accessible to
8 / 50
A serializable class must implement the method(s) _________.
9 / 50
In Java a final class must be sub-classed before it.
10 / 50
Socket is a --------------communication channel between hosts.
11 / 50
Which of following can be thrown using the throw statement?
12 / 50
In Java, which of these classes implement the LayoutManager interface?
13 / 50
Map interface is derived from the Collection interface.
14 / 50
Which of the following is true about abstract class?
15 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
16 / 50
You can ---------to a network using sockets.
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Event source can have --------- listeners registered on it.
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19 / 50
JavaBeans are?
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BorderLayout is the default layout manager for a JFrame’s content pane
21 / 50
Which of the following exception belongs to a category of un-checked exception?
22 / 50
Which of the following stream is a filter stream?
23 / 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).
24 / 50
HahMap takes key as a/an _________
25 / 50
Which of the following syntax is used to attach an input stream to console?
26 / 50
In Java an abstract class cannot be sub-classed
27 / 50
A collection can store..........
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29 / 50
Which of the following is called ' pure abstract class ' ?
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Border layout divides the area into _______ regions
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32 / 50
A ___________ defines the way and method of communication between two parties.
33 / 50
Overloading is _______ whereas overriding is _____
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35 / 50
Which of the following statement object is used to execute stored procedures?
36 / 50
Mouse events can be trapped for ________ GUI component.
37 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
38 / 50
39 / 50
____________is/are the JSP Implicit Object(s).
40 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
41 / 50
Which of the following method is used to execute SELECT SQL statements?
42 / 50
If a super class method is protected then overriding method _________
43 / 50
Static methods only access ___
44 / 50
A top level class may have only the following access modifier.
45 / 50
In Java garbage collection is done by_______________
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47 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
48 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
49 / 50
An abstract class ---------------instantiated.
50 / 50
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