CS506-Midterm
1 / 50
____________is/are the JSP Implicit Object(s).
2 / 50
To create DataBaseMetaData object we write following line of code
3 / 50
The relationship between class and interface is called ________
4 / 50
Which of the following is a general purpose container?
5 / 50
Which of the following are passed as an argument to the paint ( ) method?
6 / 50
Java developed in __________
7 / 50
Which of the following function will be used to register event handler with events generator (button)?
8 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
9 / 50
Window Listener interface contains _______ methods.
10 / 50
A final class can't be extended.
11 / 50
A serializable class must implement the method(s) _________.
12 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
13 / 50
Which of the following is true about AWT and SWING components?
14 / 50
HahMap takes key as a/an _________
15 / 50
There are _________ types of exceptions in Java
16 / 50
Window frame and dialog use ________ as their default layout.
17 / 50
A top level class may have only the following access modifier.
18 / 50
Which of these are valid declarations for the main method?
19 / 50
Which of the following are passed as an argument to the paint () method:
20 / 50
In Java garbage collection is done by_______________
21 / 50
Static methods only access ___
22 / 50
Which of the following method is used to execute SELECT SQL statements?
23 / 50
A serializable class must implement the method(s)............
24 / 50
Which of the following stream read/write data in the form of bytes?
25 / 50
Which of the following package needs to be import while handling files?
26 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
27 / 50
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29 / 50
Java program code is compiled into form called
30 / 50
Border layout divides the area into _______ regions
31 / 50
Event source can have --------- listeners registered on it.
32 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
33 / 50
What if the main method is declared as private?
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35 / 50
36 / 50
An expression tag contains a scripting language expression that is evaluated.
37 / 50
A ___________ defines the way and method of communication between two parties.
38 / 50
In Java, which of these classes implement the LayoutManager interface?
39 / 50
Which of the following statements is true regarding Vectors with no specified base type?
40 / 50
In Java an abstract class cannot be sub-classed
41 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
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44 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
45 / 50
You can ---------to a network using sockets.
46 / 50
Which of the following is called ' pure abstract class ' ?
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48 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
49 / 50
DSN stands for _________
50 / 50
The collections API are defined in ______ package?
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