CS506-Midterm
1 / 50
A top level class may have only the following access modifier.
2 / 50
Which of these are valid declarations for the main method?
3 / 50
Which of the following feature provide facility for multiple inheritances:-
4 / 50
CREATE, ALTER, DROP are _________ SQL statements.
5 / 50
6 / 50
Which of following can be thrown using the throw statement?
7 / 50
In Java a final class must be sub-classed before it.
8 / 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).
9 / 50
Which of the following is used for inheritance in java?
10 / 50
Which of the following syntax is used to attach an input stream to console?
11 / 50
To create DataBaseMetaData object we write following line of code
12 / 50
Which of the following is true about abstract class?
13 / 50
What if the main method is declared as private?
14 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
15 / 50
Which of the following method is used to execute SELECT SQL statements?
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17 / 50
If a super class method is protected then overriding method _________
18 / 50
Socket is a --------------communication channel between hosts.
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20 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
21 / 50
An abstract class --------------- instantiated.
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Aside from the Scanner class, which of the following class/es can be used for text file file input
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24 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
25 / 50
You want a class to have access to members of another class in the same package. Which is the most restrictive access that accomplishes this objective?
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An abstract class ---------------instantiated.
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Which of the following is called ' pure abstract class ' ?
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A collection can store..........
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There are _________ types of exceptions in Java
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DSN stands for _________
32 / 50
The relationship between class and interface is called ________
33 / 50
Mouse events can be trapped for ________ GUI component.
34 / 50
Which of the following statement object is used to execute stored procedures?
35 / 50
HahMap takes key as a/an _________
36 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
37 / 50
In Java an abstract class cannot be sub-classed
38 / 50
39 / 50
Which of the following function will be used to register event handler with events generator (button)?
40 / 50
Event source can have --------- listeners registered on it.
41 / 50
Which of the following stream is a filter stream?
42 / 50
Which of the following belongs to a category of checked exception?
43 / 50
You can ---------to a network using sockets.
44 / 50
In Java garbage collection is done by_______________
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46 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
47 / 50
48 / 50
Which of the following is a general purpose container?
49 / 50
Border layout divides the area into _______ regions
50 / 50
A serializable class must implement the method(s)............
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