CS506-Midterm
1 / 50
HahMap takes key as a/an _________
2 / 50
A ................defines the way and method of communication between two parties
3 / 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).
4 / 50
In Java garbage collection is done by_______________
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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?
6 / 50
Map interface is derived from the Collection interface.
7 / 50
JPanel and Applet use ________ as their default layout.
8 / 50
What if the static modifier is removed from the signature of the main method?
9 / 50
Which of the following stream is a filter stream?
10 / 50
Which of the following syntax is used to attach an input stream to console?
11 / 50
A ___________ defines the way and method of communication between two parties.
12 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
13 / 50
If a super class method is protected then overriding method _________
14 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
15 / 50
Which of the following is called ' pure abstract class ' ?
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Which of these are valid declarations for the main method?
17 / 50
If we remove static from main then program __________
18 / 50
Which of the following is a general purpose container?
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A top level class may have only the following access modifier.
20 / 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);
21 / 50
DSN stands for _________
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Which of the following belongs to a category of checked exception?
23 / 50
Event source can have --------- listeners registered on it.
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Which of the following package needs to be import while handling files?
25 / 50
In Java a final class must be sub-classed before it.
26 / 50
You can ---------to a network using sockets.
27 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
28 / 50
BorderLayout is the default layout manager for a JFrame content pane
29 / 50
Mouse events can be trapped for ________ GUI component.
30 / 50
To create DataBaseMetaData object we write following line of code
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A top level class without any modifier is accessible to
32 / 50
Socket is a --------------communication channel between hosts.
33 / 50
Border layout divides the area into _______ regions
34 / 50
A serializable class must implement the method(s) _________.
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36 / 50
Which of the following statement object is used to execute stored procedures?
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38 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
39 / 50
CREATE, ALTER, DROP are _________ SQL statements.
40 / 50
Which of the following stream read/write data in the form of bytes?
41 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
42 / 50
Which of the following package needs to import while interacting with relational database?
43 / 50
Window frame and dialog use ________ as their default layout.
44 / 50
Which of the following are passed as an argument to the paint ( ) method?
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46 / 50
If we remove String array from main then program____________
47 / 50
In Java an abstract class cannot be sub-classed
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49 / 50
50 / 50
There are _________ types of exceptions in Java
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