CS506-Midterm
1 / 50
Map interface is derived from the Collection interface.
2 / 50
Mouse events can be trapped for ________ GUI component.
3 / 50
An expression tag contains a scripting language expression that is evaluated.
4 / 50
Which of the following is called ' pure abstract class ' ?
5 / 50
A top level class may have only the following access modifier.
6 / 50
To create DataBaseMetaData object we write following line of code
7 / 50
What if the main method is declared as private?
8 / 50
Window Listener interface contains _______ methods.
9 / 50
Which of the following stream read/write data in the form of bytes?
10 / 50
____________is/are the JSP Implicit Object(s).
11 / 50
Which of the following statement object is used to execute stored procedures?
12 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
13 / 50
Which of the following belongs to a category of checked exception?
14 / 50
Java developed in __________
15 / 50
Which of these are valid declarations for the main method?
16 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
17 / 50
Which of the following is used for inheritance in java?
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Which of the following is true about abstract class?
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A ___________ defines the way and method of communication between two parties.
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21 / 50
If a super class method is protected then overriding method _________
22 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
23 / 50
The collections API are defined in ______ package?
24 / 50
If we remove String array from main then program____________
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Which of the following are passed as an argument to the paint ( ) method?
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Static methods only access ___
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Exceptions must be handled while handling files otherwise it may lead to _____
28 / 50
Socket is a --------------communication channel between hosts.
29 / 50
A serializable class must implement the method(s)............
30 / 50
Based on functionality, the streams can be categorized as________
31 / 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?
32 / 50
What if the static modifier is removed from the signature of the main method?
33 / 50
Event source can have --------- listeners registered on it.
34 / 50
HahMap takes key as a/an _________
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37 / 50
A final class can't be extended.
38 / 50
The code below draws a line. What color is the line? g.setColor(Color.red.green.yellow.red); g.drawLine(0, 0, 100,100);
39 / 50
Which of the following feature provide facility for multiple inheritances:-
40 / 50
In Java a final class must be sub-classed before it.
41 / 50
Border layout divides the area into _______ regions
42 / 50
In Java an abstract class cannot be sub-classed
43 / 50
When recursive method is called to solve a problem, the method actually is capable of solving only the simpler case(s), or base case(s).
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45 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
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The relationship between class and interface is called ________
47 / 50
Which of the following function will be used to register event handler with events generator (button)?
48 / 50
Which of following can be thrown using the throw statement?
49 / 50
A top level class without any modifier is accessible to
50 / 50
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