CS506-Midterm
1 / 50
You can ---------to a network using sockets.
2 / 50
Which of the following is called ' pure abstract class ' ?
3 / 50
In Java an abstract class cannot be sub-classed
4 / 50
Which of the following is true about AWT and SWING components?
5 / 50
Which of the following are passed as an argument to the paint () method:
6 / 50
The collections API are defined in ______ package?
7 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
8 / 50
Overloading is _______ whereas overriding is _____
9 / 50
Which of the following stream read/write data in the form of bytes?
10 / 50
Which of the following feature provide facility for multiple inheritances:-
11 / 50
Which of the following method is used to execute SELECT SQL statements?
12 / 50
Which of the following function will be used to register event handler with events generator (button)?
13 / 50
Window frame and dialog use ________ as their default layout.
14 / 50
Which of the following stream is a filter stream?
15 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
16 / 50
All the exceptions and errors in java are inherited from _____ class.
17 / 50
CREATE, ALTER, DROP are _________ SQL statements.
18 / 50
A top level class may have only the following access modifier.
19 / 50
Which of the following is a general purpose container?
20 / 50
Socket is a --------------communication channel between hosts.
21 / 50
Which of the following are passed as an argument to the paint ( ) method?
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23 / 50
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25 / 50
JavaBeans are?
26 / 50
____________is/are the JSP Implicit Object(s).
27 / 50
A top level class without any modifier is accessible to
28 / 50
Window Listener interface contains _______ methods.
29 / 50
If we remove String array from main then program____________
30 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
31 / 50
32 / 50
HahMap takes key as a/an _________
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34 / 50
In Java, which of these classes implement the LayoutManager interface?
35 / 50
What if the main method is declared as private?
36 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
37 / 50
Based on functionality, the streams can be categorized as________
38 / 50
39 / 50
Which of the following syntax is used to attach an input stream to console?
40 / 50
If a super class method is protected then overriding method _________
41 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
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43 / 50
BorderLayout is the default layout manager for a JFrame content pane
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45 / 50
A serializable class must implement the method(s)............
46 / 50
A ___________ defines the way and method of communication between two parties.
47 / 50
Which of the following statement object is used to execute stored procedures?
48 / 50
Static methods only access ___
49 / 50
To create DataBaseMetaData object we write following line of code
50 / 50
Event source can have --------- listeners registered on it.
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