CS506-Midterm
1 / 50
Which of the following is a general purpose container?
2 / 50
Which of the following function will be used to register event handler with events generator (button)?
3 / 50
A top level class without any modifier is accessible to
4 / 50
Which of following can be thrown using the throw statement?
5 / 50
Map interface is derived from the Collection interface.
6 / 50
Socket is a --------------communication channel between hosts.
7 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
8 / 50
A ___________ defines the way and method of communication between two parties.
9 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
10 / 50
To create DataBaseMetaData object we write following line of code
11 / 50
If a super class method is protected then overriding method _________
12 / 50
____________is/are the JSP Implicit Object(s).
13 / 50
14 / 50
Java developed in __________
15 / 50
You can ---------to a network using sockets.
16 / 50
There are _________ types of exceptions in Java
17 / 50
Event source can have --------- listeners registered on it.
18 / 50
A final class can't be extended.
19 / 50
In Java a final class must be sub-classed before it.
20 / 50
In Java an abstract class cannot be sub-classed
21 / 50
Which of the following is true about abstract class?
22 / 50
Which of the following statement object is used to execute stored procedures?
23 / 50
24 / 50
What if the static modifier is removed from the signature of the main method?
25 / 50
A ................defines the way and method of communication between two parties
26 / 50
27 / 50
Which of the following method is used to execute SELECT SQL statements?
28 / 50
All the exceptions and errors in java are inherited from _____ class.
29 / 50
An abstract class --------------- instantiated.
30 / 50
When recursive method is called to solve a problem, the method actually is capable of solving only the simpler case(s), or base case(s).
31 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
32 / 50
DSN stands for _________
33 / 50
Which of the following are passed as an argument to the paint () method:
34 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
35 / 50
Which of the following is true about AWT and SWING components?
36 / 50
A top level class may have only the following access modifier.
37 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
38 / 50
JavaBeans are?
39 / 50
Window Listener interface contains _______ methods.
40 / 50
Java program code is compiled into form called
41 / 50
HahMap takes key as a/an _________
42 / 50
Which of the following belongs to a category of checked exception?
43 / 50
CREATE, ALTER, DROP are _________ SQL statements.
44 / 50
The collections API are defined in ______ package?
45 / 50
The code below draws a line. What color is the line? g.setColor(Color.red.green.yellow.red); g.drawLine(0, 0, 100,100);
46 / 50
JPanel and Applet use ________ as their default layout.
47 / 50
Which of the following package needs to be import while handling files?
48 / 50
A serializable class must implement the method(s) _________.
49 / 50
50 / 50
Overloading is _______ whereas overriding is _____
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