CS506-Midterm
1 / 50
You can ---------to a network using sockets.
2 / 50
What if the main method is declared as private?
3 / 50
If a super class method is protected then overriding method _________
4 / 50
Which of the following is a general purpose container?
5 / 50
The collections API are defined in ______ package?
6 / 50
Which of the following is true about AWT and SWING components?
7 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
8 / 50
Which of the following is true about abstract class?
9 / 50
A top level class without any modifier is accessible to
10 / 50
Java developed in __________
11 / 50
12 / 50
Which of the following statement object is used to execute stored procedures?
13 / 50
A serializable class must implement the method(s)............
14 / 50
Which of the following is called ' pure abstract class ' ?
15 / 50
A ................defines the way and method of communication between two parties
16 / 50
Which of the following feature provide facility for multiple inheritances:-
17 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
18 / 50
In Java an abstract class cannot be sub-classed
19 / 50
An abstract class ---------------instantiated.
20 / 50
Which of the following stream is a filter stream?
21 / 50
All the exceptions and errors in java are inherited from _____ class.
22 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
23 / 50
Which of following can be thrown using the throw statement?
24 / 50
Which of these are valid declarations for the main method?
25 / 50
Which of the following method is used to execute SELECT SQL statements?
26 / 50
27 / 50
A top level class may have only the following access modifier.
28 / 50
Which of the following are passed as an argument to the paint ( ) method?
29 / 50
JPanel and Applet use ________ as their default layout.
30 / 50
____________is/are the JSP Implicit Object(s).
31 / 50
32 / 50
A serializable class must implement the method(s) _________.
33 / 50
CREATE, ALTER, DROP are _________ SQL statements.
34 / 50
35 / 50
There are _________ types of exceptions in Java
36 / 50
Which of the following are passed as an argument to the paint () method:
37 / 50
To create DataBaseMetaData object we write following line of code
38 / 50
Which of the following function will be used to register event handler with events generator (button)?
39 / 50
Overloading is _______ whereas overriding is _____
40 / 50
What if the static modifier is removed from the signature of the main method?
41 / 50
Socket is a --------------communication channel between hosts.
42 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
43 / 50
JavaBeans are?
44 / 50
Map interface is derived from the Collection interface.
45 / 50
46 / 50
BorderLayout is the default layout manager for a JFrame content pane
47 / 50
Which of the following stream read/write data in the form of bytes?
48 / 50
Which of the following package needs to be import while handling files?
49 / 50
Window frame and dialog use ________ as their default layout.
50 / 50
HahMap takes key as a/an _________
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