CS506-Midterm
1 / 50
Which of these are valid declarations for the main method?
2 / 50
DSN stands for _________
3 / 50
Which of the following stream is a filter stream?
4 / 50
You can ---------to a network using sockets.
5 / 50
Which of the following are passed as an argument to the paint ( ) method?
6 / 50
Which of the following function will be used to register event handler with events generator (button)?
7 / 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?
8 / 50
In Java garbage collection is done by_______________
9 / 50
Based on functionality, the streams can be categorized as________
10 / 50
Which of the following is true about AWT and SWING components?
11 / 50
What if the main method is declared as private?
12 / 50
If a super class method is protected then overriding method _________
13 / 50
Which of the following package needs to be import while handling files?
14 / 50
Which of the following is called ' pure abstract class ' ?
15 / 50
What if the static modifier is removed from the signature of the main method?
16 / 50
In Java an abstract class cannot be sub-classed
17 / 50
A final class can't be extended.
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When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
19 / 50
All the exceptions and errors in java are inherited from _____ class.
20 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
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Which of the following is true about abstract class?
22 / 50
A top level class may have only the following access modifier.
23 / 50
To create DataBaseMetaData object we write following line of code
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25 / 50
The collections API are defined in ______ package?
26 / 50
Which of the following statement object is used to execute stored procedures?
27 / 50
Overloading is _______ whereas overriding is _____
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29 / 50
Border layout divides the area into _______ regions
30 / 50
Which of following can be thrown using the throw statement?
31 / 50
If we remove static from main then program __________
32 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
33 / 50
BorderLayout is the default layout manager for a JFrame content pane
34 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
35 / 50
An abstract class ---------------instantiated.
36 / 50
HahMap takes key as a/an _________
37 / 50
A collection can store..........
38 / 50
An expression tag contains a scripting language expression that is evaluated.
39 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
40 / 50
A serializable class must implement the method(s) _________.
41 / 50
The relationship between class and interface is called ________
42 / 50
Socket is a --------------communication channel between hosts.
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45 / 50
Which of the following is used for inheritance in java?
46 / 50
CREATE, ALTER, DROP are _________ SQL statements.
47 / 50
Map interface is derived from the Collection interface.
48 / 50
Static methods only access ___
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50 / 50
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