CS506-Midterm
1 / 50
Window frame and dialog use ________ as their default layout.
2 / 50
The collections API are defined in ______ package?
3 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
4 / 50
In Java garbage collection is done by_______________
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A ................defines the way and method of communication between two parties
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A top level class without any modifier is accessible to
7 / 50
A serializable class must implement the method(s)............
8 / 50
If we remove String array from main then program____________
9 / 50
Which of the following syntax is used to attach an input stream to console?
10 / 50
A final class can't be extended.
11 / 50
In Java, which of these classes implement the LayoutManager interface?
12 / 50
HahMap takes key as a/an _________
13 / 50
Map interface is derived from the Collection interface.
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15 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
16 / 50
If a super class method is protected then overriding method _________
17 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
18 / 50
CREATE, ALTER, DROP are _________ SQL statements.
19 / 50
The relationship between class and interface is called ________
20 / 50
Which of the following is true about abstract class?
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You can ---------to a network using sockets.
22 / 50
Which of the following package needs to be import while handling files?
23 / 50
Which of the following are passed as an argument to the paint ( ) method?
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Which of the following function will be used to register event handler with events generator (button)?
25 / 50
In Java an abstract class cannot be sub-classed
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27 / 50
Window Listener interface contains _______ methods.
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Event source can have --------- listeners registered on it.
29 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
30 / 50
Which of the following is a general purpose container?
31 / 50
Which of the following method is used to execute SELECT SQL statements?
32 / 50
A top level class may have only the following access modifier.
33 / 50
Which of the following is used for inheritance in java?
34 / 50
Which of the following belongs to a category of checked exception?
35 / 50
A ___________ defines the way and method of communication between two parties.
36 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
37 / 50
Which of the following statement object is used to execute stored procedures?
38 / 50
JavaBeans are?
39 / 50
DSN stands for _________
40 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
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43 / 50
Mouse events can be trapped for ________ GUI component.
44 / 50
____________is/are the JSP Implicit Object(s).
45 / 50
In Java a final class must be sub-classed before it.
46 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
47 / 50
Which of the following statements is true regarding Vectors with no specified base type?
48 / 50
An abstract class ---------------instantiated.
49 / 50
All the exceptions and errors in java are inherited from _____ class.
50 / 50
To create DataBaseMetaData object we write following line of code
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