CS506-Midterm
1 / 50
The relationship between class and interface is called ________
2 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
3 / 50
In Java garbage collection is done by_______________
4 / 50
Which of the following are passed as an argument to the paint () method:
5 / 50
Mouse events can be trapped for ________ GUI component.
6 / 50
An abstract class --------------- instantiated.
7 / 50
Which of the following syntax is used to attach an input stream to console?
8 / 50
An expression tag contains a scripting language expression that is evaluated.
9 / 50
A ___________ defines the way and method of communication between two parties.
10 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
11 / 50
Window frame and dialog use ________ as their default layout.
12 / 50
Which of the following is called ' pure abstract class ' ?
13 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
14 / 50
What if the main method is declared as private?
15 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
16 / 50
Event source can have --------- listeners registered on it.
17 / 50
Which of the following stream is a filter stream?
18 / 50
Which of the following statements is true regarding Vectors with no specified base type?
19 / 50
Socket is a --------------communication channel between hosts.
20 / 50
Which of the following is used for inheritance in java?
21 / 50
There are _________ types of exceptions in Java
22 / 50
23 / 50
Which of the following function will be used to register event handler with events generator (button)?
24 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
25 / 50
Overloading is _______ whereas overriding is _____
26 / 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?
27 / 50
Which of the following is true about abstract class?
28 / 50
In Java an abstract class cannot be sub-classed
29 / 50
____________is/are the JSP Implicit Object(s).
30 / 50
Window Listener interface contains _______ methods.
31 / 50
HahMap takes key as a/an _________
32 / 50
Java developed in __________
33 / 50
Which of the following statement object is used to execute stored procedures?
34 / 50
What if the static modifier is removed from the signature of the main method?
35 / 50
BorderLayout is the default layout manager for a JFrame content pane
36 / 50
You can ---------to a network using sockets.
37 / 50
Which of the following stream read/write data in the form of bytes?
38 / 50
Which of these are valid declarations for the main method?
39 / 50
JavaBeans are?
40 / 50
A top level class may have only the following access modifier.
41 / 50
Which of the following method is used to execute SELECT SQL statements?
42 / 50
Which of the following package needs to be import while handling files?
43 / 50
The collections API are defined in ______ package?
44 / 50
If a super class method is protected then overriding method _________
45 / 50
All the exceptions and errors in java are inherited from _____ class.
46 / 50
To create DataBaseMetaData object we write following line of code
47 / 50
A serializable class must implement the method(s)............
48 / 50
49 / 50
Map interface is derived from the Collection interface.
50 / 50
A serializable class must implement the method(s) _________.
Your score is
The average score is 32%
Restart quiz
