CS506-Midterm
1 / 50
Which of the following is a general purpose container?
2 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
3 / 50
Map interface is derived from the Collection interface.
4 / 50
Which of the following is true about AWT and SWING components?
5 / 50
Which of the following exception belongs to a category of un-checked exception?
6 / 50
JPanel and Applet use ________ as their default layout.
7 / 50
Which of the following statement object is used to execute stored procedures?
8 / 50
Which of the following syntax is used to attach an input stream to console?
9 / 50
If a super class method is protected then overriding method _________
10 / 50
Based on functionality, the streams can be categorized as________
11 / 50
What if the main method is declared as private?
12 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
13 / 50
A ................defines the way and method of communication between two parties
14 / 50
In Java an abstract class cannot be sub-classed
15 / 50
Which of the following function will be used to register event handler with events generator (button)?
16 / 50
An abstract class --------------- instantiated.
17 / 50
Which of the following statements is true regarding Vectors with no specified base type?
18 / 50
The collections API are defined in ______ package?
19 / 50
A serializable class must implement the method(s) _________.
20 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
21 / 50
A top level class without any modifier is accessible to
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23 / 50
You can ---------to a network using sockets.
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25 / 50
In Java a final class must be sub-classed before it.
26 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
27 / 50
Which of following can be thrown using the throw statement?
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Which of the following is called ' pure abstract class ' ?
29 / 50
To create DataBaseMetaData object we write following line of code
30 / 50
31 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
32 / 50
A top level class may have only the following access modifier.
33 / 50
A serializable class must implement the method(s)............
34 / 50
Which of the following is used for inheritance in java?
35 / 50
36 / 50
HahMap takes key as a/an _________
37 / 50
Which of the following method is used to execute SELECT SQL statements?
38 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
39 / 50
Socket is a --------------communication channel between hosts.
40 / 50
A final class can't be extended.
41 / 50
Which of the following feature provide facility for multiple inheritances:-
42 / 50
Which of the following stream is a filter stream?
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45 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
46 / 50
____________is/are the JSP Implicit Object(s).
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50 / 50
If we remove static from main then program __________
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