CS506-Midterm
1 / 50
DSN stands for _________
2 / 50
If we remove static from main then program __________
3 / 50
An expression tag contains a scripting language expression that is evaluated.
4 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
5 / 50
Which of the following is used for inheritance in java?
6 / 50
HahMap takes key as a/an _________
7 / 50
Which of the following syntax is used to attach an input stream to console?
8 / 50
A top level class may have only the following access modifier.
9 / 50
The classes which contain the word _____ are byte oriented streams.
10 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
11 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
12 / 50
In Java a final class must be sub-classed before it.
13 / 50
A ................defines the way and method of communication between two parties
14 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
15 / 50
To create DataBaseMetaData object we write following line of code
16 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
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Which of the following is true about abstract class?
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If a super class method is protected then overriding method _________
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Which of the following is called ' pure abstract class ' ?
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Which of the following statements is true regarding Vectors with no specified base type?
21 / 50
Which of the following statement object is used to execute stored procedures?
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In Java an abstract class cannot be sub-classed
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24 / 50
A serializable class must implement the method(s) _________.
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Which of the following is a general purpose container?
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Overloading is _______ whereas overriding is _____
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Which of these are valid declarations for the main method?
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29 / 50
CREATE, ALTER, DROP are _________ SQL statements.
30 / 50
All the exceptions and errors in java are inherited from _____ class.
31 / 50
A collection can store..........
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Socket is a --------------communication channel between hosts.
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34 / 50
What if the main method is declared as private?
35 / 50
36 / 50
Map interface is derived from the Collection interface.
37 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
38 / 50
Border layout divides the area into _______ regions
39 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
40 / 50
You can ---------to a network using sockets.
41 / 50
Which of the following stream is a filter stream?
42 / 50
A top level class without any modifier is accessible to
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There are _________ types of exceptions in Java
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Event source can have --------- listeners registered on it.
45 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
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47 / 50
JPanel and Applet use ________ as their default layout.
48 / 50
Window Listener interface contains _______ methods.
49 / 50
____________is/are the JSP Implicit Object(s).
50 / 50
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