CS506-Midterm
1 / 50
Which of the following package needs to import while interacting with relational database?
2 / 50
JavaBeans are?
3 / 50
A collection can store..........
4 / 50
Which of the following stream read/write data in the form of bytes?
5 / 50
The relationship between class and interface is called ________
6 / 50
Which of the following function will be used to register event handler with events generator (button)?
7 / 50
Based on functionality, the streams can be categorized as________
8 / 50
What if the main method is declared as private?
9 / 50
Which of the following statement object is used to execute stored procedures?
10 / 50
If we remove String array from main then program____________
11 / 50
A ................defines the way and method of communication between two parties
12 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
13 / 50
Which of the following is true about AWT and SWING components?
14 / 50
An abstract class ---------------instantiated.
15 / 50
A serializable class must implement the method(s)............
16 / 50
An abstract class --------------- instantiated.
17 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
18 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
19 / 50
The classes which contain the word _____ are byte oriented streams.
20 / 50
Static methods only access ___
21 / 50
A top level class may have only the following access modifier.
22 / 50
Which of the following syntax is used to attach an input stream to console?
23 / 50
Socket is a --------------communication channel between hosts.
24 / 50
In Java, which of these classes implement the LayoutManager interface?
25 / 50
A final class can't be extended.
26 / 50
Which of the following are passed as an argument to the paint () method:
27 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
28 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
29 / 50
In Java an abstract class cannot be sub-classed
30 / 50
To create DataBaseMetaData object we write following line of code
31 / 50
Which of the following package needs to be import while handling files?
32 / 50
All the exceptions and errors in java are inherited from _____ class.
33 / 50
Which of the following is true about abstract class?
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35 / 50
36 / 50
Border layout divides the area into _______ regions
37 / 50
Event source can have --------- listeners registered on it.
38 / 50
39 / 50
If we remove static from main then program __________
40 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
41 / 50
There are _________ types of exceptions in Java
42 / 50
CREATE, ALTER, DROP are _________ SQL statements.
43 / 50
44 / 50
Window frame and dialog use ________ as their default layout.
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46 / 50
An expression tag contains a scripting language expression that is evaluated.
47 / 50
DSN stands for _________
48 / 50
Window Listener interface contains _______ methods.
49 / 50
What if the static modifier is removed from the signature of the main method?
50 / 50
You can ---------to a network using sockets.
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