CS506-Midterm
1 / 50
A ___________ defines the way and method of communication between two parties.
2 / 50
Which of the following syntax is used to attach an input stream to console?
3 / 50
A serializable class must implement the method(s)............
4 / 50
Which of the following stream is a filter stream?
5 / 50
Which of the following statements is true regarding Vectors with no specified base type?
6 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
7 / 50
In Java an abstract class cannot be sub-classed
8 / 50
Which of the following feature provide facility for multiple inheritances:-
9 / 50
Overloading is _______ whereas overriding is _____
10 / 50
A serializable class must implement the method(s) _________.
11 / 50
Which of the following package needs to import while interacting with relational database?
12 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
13 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
14 / 50
Which of the following statement object is used to execute stored procedures?
15 / 50
Window frame and dialog use ________ as their default layout.
16 / 50
Window Listener interface contains _______ methods.
17 / 50
____________is/are the JSP Implicit Object(s).
18 / 50
Which of the following package needs to be import while handling files?
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20 / 50
Mouse events can be trapped for ________ GUI component.
21 / 50
An expression tag contains a scripting language expression that is evaluated.
22 / 50
The collections API are defined in ______ package?
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There are _________ types of exceptions in Java
24 / 50
You can ---------to a network using sockets.
25 / 50
Which of the following function will be used to register event handler with events generator (button)?
26 / 50
Which of the following is true about AWT and SWING components?
27 / 50
In Java, which of these classes implement the LayoutManager interface?
28 / 50
A top level class may have only the following access modifier.
29 / 50
If we remove static from main then program __________
30 / 50
Which of the following are passed as an argument to the paint () method:
31 / 50
A top level class without any modifier is accessible to
32 / 50
HahMap takes key as a/an _________
33 / 50
Which of the following exception belongs to a category of un-checked exception?
34 / 50
Event source can have --------- listeners registered on it.
35 / 50
If a super class method is protected then overriding method _________
36 / 50
Which of the following is a general purpose container?
37 / 50
Based on functionality, the streams can be categorized as________
38 / 50
Which of the following belongs to a category of checked exception?
39 / 50
40 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
41 / 50
CREATE, ALTER, DROP are _________ SQL statements.
42 / 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?
43 / 50
An abstract class --------------- instantiated.
44 / 50
Which of these are valid declarations for the main method?
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
What if the main method is declared as private?
47 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
48 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
49 / 50
In Java a final class must be sub-classed before it.
50 / 50
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