CS506-Midterm
1 / 50
A final class can't be extended.
2 / 50
Window Listener interface contains _______ methods.
3 / 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?
4 / 50
DSN stands for _________
5 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
6 / 50
HahMap takes key as a/an _________
7 / 50
You can ---------to a network using sockets.
8 / 50
There are _________ types of exceptions in Java
9 / 50
A top level class without any modifier is accessible to
10 / 50
In Java an abstract class cannot be sub-classed
11 / 50
A ___________ defines the way and method of communication between two parties.
12 / 50
Which of the following package needs to be import while handling files?
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14 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
15 / 50
Which of the following function will be used to register event handler with events generator (button)?
16 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
17 / 50
Which of the following is true about abstract class?
18 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
19 / 50
Map interface is derived from the Collection interface.
20 / 50
Which of the following stream read/write data in the form of bytes?
21 / 50
Which of following can be thrown using the throw statement?
22 / 50
If we remove String array from main then program____________
23 / 50
Based on functionality, the streams can be categorized as________
24 / 50
Java developed in __________
25 / 50
JPanel and Applet use ________ as their default layout.
26 / 50
An abstract class ---------------instantiated.
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28 / 50
29 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
30 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
31 / 50
In Java, which of these classes implement the LayoutManager interface?
32 / 50
The classes which contain the word _____ are byte oriented streams.
33 / 50
The collections API are defined in ______ package?
34 / 50
CREATE, ALTER, DROP are _________ SQL statements.
35 / 50
____________is/are the JSP Implicit Object(s).
36 / 50
A top level class may have only the following access modifier.
37 / 50
An abstract class --------------- instantiated.
38 / 50
Which of the following are passed as an argument to the paint () method:
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40 / 50
Static methods only access ___
41 / 50
If a super class method is protected then overriding method _________
42 / 50
43 / 50
Window frame and dialog use ________ as their default layout.
44 / 50
Which of the following statement object is used to execute stored procedures?
45 / 50
Which of the following is called ' pure abstract class ' ?
46 / 50
Which of the following method is used to execute SELECT SQL statements?
47 / 50
48 / 50
Which of the following is true about AWT and SWING components?
49 / 50
A collection can store..........
50 / 50
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