CS506-Midterm
1 / 50
Window Listener interface contains _______ methods.
2 / 50
Which of the following stream is a filter stream?
3 / 50
Which of the following function will be used to register event handler with events generator (button)?
4 / 50
Java program code is compiled into form called
5 / 50
Which of the following feature provide facility for multiple inheritances:-
6 / 50
If we remove String array from main then program____________
7 / 50
HahMap takes key as a/an _________
8 / 50
Which of the following belongs to a category of checked exception?
9 / 50
You can ---------to a network using sockets.
10 / 50
In Java an abstract class cannot be sub-classed
11 / 50
Java developed in __________
12 / 50
Which of the following is called ' pure abstract class ' ?
13 / 50
What if the main method is declared as private?
14 / 50
15 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
16 / 50
There are _________ types of exceptions in Java
17 / 50
BorderLayout is the default layout manager for a JFrame content pane
18 / 50
Which of the following is true about abstract class?
19 / 50
Mouse events can be trapped for ________ GUI component.
20 / 50
A ___________ defines the way and method of communication between two parties.
21 / 50
Event source can have --------- listeners registered on it.
22 / 50
Which of the following package needs to be import while handling files?
23 / 50
JPanel and Applet use ________ as their default layout.
24 / 50
Based on functionality, the streams can be categorized as________
25 / 50
Which of the following statements is true regarding Vectors with no specified base type?
26 / 50
DSN stands for _________
27 / 50
The relationship between class and interface is called ________
28 / 50
In Java, which of these classes implement the LayoutManager interface?
29 / 50
A top level class may have only the following access modifier.
30 / 50
A collection can store..........
31 / 50
A serializable class must implement the method(s)............
32 / 50
Which of the following is a general purpose container?
33 / 50
Map interface is derived from the Collection interface.
34 / 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?
35 / 50
A top level class without any modifier is accessible to
36 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
37 / 50
Which of the following exception belongs to a category of un-checked exception?
38 / 50
The classes which contain the word _____ are byte oriented streams.
39 / 50
To create DataBaseMetaData object we write following line of code
40 / 50
Which of the following statement object is used to execute stored procedures?
41 / 50
If a super class method is protected then overriding method _________
42 / 50
Which of following can be thrown using the throw statement?
43 / 50
Which of the following method is used to execute SELECT SQL statements?
44 / 50
An abstract class ---------------instantiated.
45 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
46 / 50
Which of these are valid declarations for the main method?
47 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
48 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
49 / 50
50 / 50
Static methods only access ___
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