CS506-Midterm
1 / 50
BorderLayout is the default layout manager for a JFrame content pane
2 / 50
____________is/are the JSP Implicit Object(s).
3 / 50
Which of the following is true about AWT and SWING components?
4 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
5 / 50
Which of the following method is used to execute SELECT SQL statements?
6 / 50
A serializable class must implement the method(s) _________.
7 / 50
In Java, which of these classes implement the LayoutManager interface?
8 / 50
To create DataBaseMetaData object we write following line of code
9 / 50
HahMap takes key as a/an _________
10 / 50
Which of the following function will be used to register event handler with events generator (button)?
11 / 50
Which of these are valid declarations for the main method?
12 / 50
Which of the following package needs to be import while handling files?
13 / 50
The relationship between class and interface is called ________
14 / 50
If a super class method is protected then overriding method _________
15 / 50
Which of the following statement object is used to execute stored procedures?
16 / 50
Window Listener interface contains _______ methods.
17 / 50
A serializable class must implement the method(s)............
18 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
19 / 50
Which of the following stream is a filter stream?
20 / 50
Socket is a --------------communication channel between hosts.
21 / 50
Which of the following package needs to import while interacting with relational database?
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24 / 50
In Java garbage collection is done by_______________
25 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
26 / 50
Which of the following is used for inheritance in java?
27 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
28 / 50
A collection can store..........
29 / 50
JPanel and Applet use ________ as their default layout.
30 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
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32 / 50
CREATE, ALTER, DROP are _________ SQL statements.
33 / 50
Which of the following syntax is used to attach an input stream to console?
34 / 50
A top level class without any modifier is accessible to
35 / 50
Which of the following are passed as an argument to the paint ( ) method?
36 / 50
DSN stands for _________
37 / 50
In Java a final class must be sub-classed before it.
38 / 50
If we remove String array from main then program____________
39 / 50
40 / 50
Which of the following is a general purpose container?
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42 / 50
Mouse events can be trapped for ________ GUI component.
43 / 50
What if the main method is declared as private?
44 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
45 / 50
Java program code is compiled into form called
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In Java an abstract class cannot be sub-classed
47 / 50
Java developed in __________
48 / 50
An abstract class ---------------instantiated.
49 / 50
Which of the following is true about abstract class?
50 / 50
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