CS506-Midterm
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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?
2 / 50
An abstract class --------------- instantiated.
3 / 50
Based on functionality, the streams can be categorized as________
4 / 50
CREATE, ALTER, DROP are _________ SQL statements.
5 / 50
Which of the following function will be used to register event handler with events generator (button)?
6 / 50
Which of the following syntax is used to attach an input stream to console?
7 / 50
Which of the following feature provide facility for multiple inheritances:-
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Event source can have --------- listeners registered on it.
9 / 50
The relationship between class and interface is called ________
10 / 50
JPanel and Applet use ________ as their default layout.
11 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
12 / 50
HahMap takes key as a/an _________
13 / 50
Which of the following are passed as an argument to the paint ( ) method?
14 / 50
What if the main method is declared as private?
15 / 50
Mouse events can be trapped for ________ GUI component.
16 / 50
A top level class may have only the following access modifier.
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A top level class without any modifier is accessible to
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Which of these are valid declarations for the main method?
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In Java garbage collection is done by_______________
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Which of the following method is used to execute SELECT SQL statements?
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Which of the following is true about AWT and SWING components?
22 / 50
____________is/are the JSP Implicit Object(s).
23 / 50
A collection can store..........
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A final class can't be extended.
25 / 50
Which of the following statement object is used to execute stored procedures?
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Static methods only access ___
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Which of the following is called ' pure abstract class ' ?
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Which of the following stream is a filter stream?
29 / 50
Map interface is derived from the Collection interface.
30 / 50
Window frame and dialog use ________ as their default layout.
31 / 50
All the exceptions and errors in java are inherited from _____ class.
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33 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
34 / 50
Socket is a --------------communication channel between hosts.
35 / 50
You can ---------to a network using sockets.
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38 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
39 / 50
Which of the following is used for inheritance in java?
40 / 50
Which of the following is a general purpose container?
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Which of the following is true about abstract class?
42 / 50
A serializable class must implement the method(s)............
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Overloading is _______ whereas overriding is _____
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48 / 50
Java developed in __________
49 / 50
50 / 50
Which of the following package needs to be import while handling files?
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