CS506-Midterm
1 / 50
If a super class method is protected then overriding method _________
2 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
3 / 50
Window Listener interface contains _______ methods.
4 / 50
Which of following can be thrown using the throw statement?
5 / 50
Which of the following method is used to execute SELECT SQL statements?
6 / 50
Which of the following is called ' pure abstract class ' ?
7 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
8 / 50
Which of the following stream read/write data in the form of bytes?
9 / 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?
10 / 50
Which of the following belongs to a category of checked exception?
11 / 50
The relationship between class and interface is called ________
12 / 50
You can ---------to a network using sockets.
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15 / 50
A ................defines the way and method of communication between two parties
16 / 50
In Java a final class must be sub-classed before it.
17 / 50
Which of the following is true about abstract class?
18 / 50
There are _________ types of exceptions in Java
19 / 50
In Java, which of these classes implement the LayoutManager interface?
20 / 50
Which of the following is a general purpose container?
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Which of the following is used for inheritance in java?
22 / 50
If we remove String array from main then program____________
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The collections API are defined in ______ package?
24 / 50
Socket is a --------------communication channel between hosts.
25 / 50
DSN stands for _________
26 / 50
____________is/are the JSP Implicit Object(s).
27 / 50
Which of the following statement object is used to execute stored procedures?
28 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
29 / 50
30 / 50
To create DataBaseMetaData object we write following line of code
31 / 50
CREATE, ALTER, DROP are _________ SQL statements.
32 / 50
Which of the following stream is a filter stream?
33 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
34 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
35 / 50
A final class can't be extended.
36 / 50
An abstract class --------------- instantiated.
37 / 50
Which of these are valid declarations for the main method?
38 / 50
An abstract class ---------------instantiated.
39 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
40 / 50
Which of the following package needs to be import while handling files?
41 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
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44 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
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Based on functionality, the streams can be categorized as________
47 / 50
A top level class may have only the following access modifier.
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49 / 50
All the exceptions and errors in java are inherited from _____ class.
50 / 50
Event source can have --------- listeners registered on it.
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