CS506-Midterm
1 / 50
A collection can store..........
2 / 50
JPanel and Applet use ________ as their default layout.
3 / 50
Window frame and dialog use ________ as their default layout.
4 / 50
Which of the following method is used to execute SELECT SQL statements?
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If we remove static from main then program __________
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Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
7 / 50
Which of the following package needs to be import while handling files?
8 / 50
An abstract class ---------------instantiated.
9 / 50
The collections API are defined in ______ package?
10 / 50
CREATE, ALTER, DROP are _________ SQL statements.
11 / 50
The relationship between class and interface is called ________
12 / 50
Which of the following statement object is used to execute stored procedures?
13 / 50
HahMap takes key as a/an _________
14 / 50
Socket is a --------------communication channel between hosts.
15 / 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?
16 / 50
Which of the following exception belongs to a category of un-checked exception?
17 / 50
18 / 50
Which of the following are passed as an argument to the paint () method:
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A serializable class must implement the method(s) _________.
20 / 50
Which of following can be thrown using the throw statement?
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An abstract class --------------- instantiated.
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Which of the following is called ' pure abstract class ' ?
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Which of the following statements is true regarding Vectors with no specified base type?
24 / 50
A top level class without any modifier is accessible to
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Which of the following package needs to import while interacting with relational database?
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In Java an abstract class cannot be sub-classed
27 / 50
Mouse events can be trapped for ________ GUI component.
28 / 50
All the exceptions and errors in java are inherited from _____ class.
29 / 50
Which of the following function will be used to register event handler with events generator (button)?
30 / 50
Which of the following is true about AWT and SWING components?
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Event source can have --------- listeners registered on it.
32 / 50
To create DataBaseMetaData object we write following line of code
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34 / 50
Which of the following feature provide facility for multiple inheritances:-
35 / 50
A ___________ defines the way and method of communication between two parties.
36 / 50
Overloading is _______ whereas overriding is _____
37 / 50
In Java, which of these classes implement the LayoutManager interface?
38 / 50
BorderLayout is the default layout manager for a JFrame content pane
39 / 50
In Java a final class must be sub-classed before it.
40 / 50
41 / 50
Which of the following is used for inheritance in java?
42 / 50
DSN stands for _________
43 / 50
Which of the following stream is a filter stream?
44 / 50
Based on functionality, the streams can be categorized as________
45 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
46 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
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48 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
49 / 50
In Java garbage collection is done by_______________
50 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
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