CS506-Midterm
1 / 50
HahMap takes key as a/an _________
2 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
3 / 50
CREATE, ALTER, DROP are _________ SQL statements.
4 / 50
Which of the following stream is a filter stream?
5 / 50
Which of these are valid declarations for the main method?
6 / 50
Which of the following function will be used to register event handler with events generator (button)?
7 / 50
Which of the following are passed as an argument to the paint ( ) method?
8 / 50
A ___________ defines the way and method of communication between two parties.
9 / 50
In Java a final class must be sub-classed before it.
10 / 50
The collections API are defined in ______ package?
11 / 50
Which of the following is called ' pure abstract class ' ?
12 / 50
Socket is a --------------communication channel between hosts.
13 / 50
What if the static modifier is removed from the signature of the main method?
14 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
15 / 50
Window frame and dialog use ________ as their default layout.
16 / 50
In Java, which of these classes implement the LayoutManager interface?
17 / 50
A top level class without any modifier is accessible to
18 / 50
Which of the following method is used to execute SELECT SQL statements?
19 / 50
An abstract class ---------------instantiated.
20 / 50
To create DataBaseMetaData object we write following line of code
21 / 50
There are _________ types of exceptions in Java
22 / 50
Which of the following is true about abstract class?
23 / 50
The relationship between class and interface is called ________
24 / 50
____________is/are the JSP Implicit Object(s).
25 / 50
JPanel and Applet use ________ as their default layout.
26 / 50
27 / 50
28 / 50
29 / 50
Which of the following exception belongs to a category of un-checked exception?
30 / 50
Mouse events can be trapped for ________ GUI component.
31 / 50
JavaBeans are?
32 / 50
Which of the following package needs to be import while handling files?
33 / 50
Which of the following statements is true regarding Vectors with no specified base type?
34 / 50
Which of the following belongs to a category of checked exception?
35 / 50
An abstract class --------------- instantiated.
36 / 50
If a super class method is protected then overriding method _________
37 / 50
An expression tag contains a scripting language expression that is evaluated.
38 / 50
39 / 50
DSN stands for _________
40 / 50
Which of the following is used for inheritance in java?
41 / 50
Based on functionality, the streams can be categorized as________
42 / 50
Which of the following syntax is used to attach an input stream to console?
43 / 50
If we remove String array from main then program____________
44 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
45 / 50
46 / 50
What if the main method is declared as private?
47 / 50
48 / 50
Event source can have --------- listeners registered on it.
49 / 50
Which of the following are passed as an argument to the paint () method:
50 / 50
A collection can store..........
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