CS506-Midterm
1 / 50
Socket is a --------------communication channel between hosts.
2 / 50
Which of the following is true about abstract class?
3 / 50
A serializable class must implement the method(s)............
4 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
5 / 50
Which of the following stream is a filter stream?
6 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
7 / 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).
8 / 50
Window Listener interface contains _______ methods.
9 / 50
If a super class method is protected then overriding method _________
10 / 50
Which of the following statements is true regarding Vectors with no specified base type?
11 / 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);
12 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
13 / 50
In Java, which of these classes implement the LayoutManager interface?
14 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
15 / 50
All the exceptions and errors in java are inherited from _____ class.
16 / 50
Which of the following is used for inheritance in java?
17 / 50
Which of the following syntax is used to attach an input stream to console?
18 / 50
An abstract class ---------------instantiated.
19 / 50
Which of the following function will be used to register event handler with events generator (button)?
20 / 50
In Java an abstract class cannot be sub-classed
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22 / 50
Mouse events can be trapped for ________ GUI component.
23 / 50
Border layout divides the area into _______ regions
24 / 50
A collection can store..........
25 / 50
Which of the following belongs to a category of checked exception?
26 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
27 / 50
28 / 50
CREATE, ALTER, DROP are _________ SQL statements.
29 / 50
A final class can't be extended.
30 / 50
Which of the following is called ' pure abstract class ' ?
31 / 50
32 / 50
Overloading is _______ whereas overriding is _____
33 / 50
DSN stands for _________
34 / 50
There are _________ types of exceptions in Java
35 / 50
The relationship between class and interface is called ________
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37 / 50
The collections API are defined in ______ package?
38 / 50
A ................defines the way and method of communication between two parties
39 / 50
In Java a final class must be sub-classed before it.
40 / 50
41 / 50
Event source can have --------- listeners registered on it.
42 / 50
BorderLayout is the default layout manager for a JFrame content pane
43 / 50
Java developed in __________
44 / 50
An expression tag contains a scripting language expression that is evaluated.
45 / 50
Which of the following package needs to import while interacting with relational database?
46 / 50
A top level class may have only the following access modifier.
47 / 50
You can ---------to a network using sockets.
48 / 50
49 / 50
Which of the following are passed as an argument to the paint () method:
50 / 50
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