CS506-Midterm
1 / 50
An abstract class ---------------instantiated.
2 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
3 / 50
You can ---------to a network using sockets.
4 / 50
What if the main method is declared as private?
5 / 50
If we remove static from main then program __________
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Which of these are valid declarations for the main method?
7 / 50
____________is/are the JSP Implicit Object(s).
8 / 50
Which of the following syntax is used to attach an input stream to console?
9 / 50
A top level class without any modifier is accessible to
10 / 50
Which of the following is used for inheritance in java?
11 / 50
HahMap takes key as a/an _________
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13 / 50
To create DataBaseMetaData object we write following line of code
14 / 50
In Java an abstract class cannot be sub-classed
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16 / 50
A final class can't be extended.
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
A ................defines the way and method of communication between two parties
20 / 50
Socket is a --------------communication channel between hosts.
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The relationship between class and interface is called ________
22 / 50
DSN stands for _________
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If we remove String array from main then program____________
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The classes which contain the word _____ are byte oriented streams.
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If a super class method is protected then overriding method _________
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Which of following can be thrown using the throw statement?
27 / 50
Event source can have --------- listeners registered on it.
28 / 50
Which of the following are passed as an argument to the paint ( ) method?
29 / 50
Border layout divides the area into _______ regions
30 / 50
An abstract class --------------- instantiated.
31 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
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33 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
34 / 50
What if the static modifier is removed from the signature of the main method?
35 / 50
Which of the following method is used to execute SELECT SQL statements?
36 / 50
Mouse events can be trapped for ________ GUI component.
37 / 50
Which of the following function will be used to register event handler with events generator (button)?
38 / 50
Which of the following is true about AWT and SWING components?
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40 / 50
In Java garbage collection is done by_______________
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In Java, which of these classes implement the LayoutManager interface?
42 / 50
Overloading is _______ whereas overriding is _____
43 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
44 / 50
Which of the following stream read/write data in the form of bytes?
45 / 50
A top level class may have only the following access modifier.
46 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
47 / 50
The collections API are defined in ______ package?
48 / 50
Java developed in __________
49 / 50
Map interface is derived from the Collection interface.
50 / 50
A collection can store..........
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