CS506-Midterm
1 / 50
Socket is a --------------communication channel between hosts.
2 / 50
Which of the following belongs to a category of checked exception?
3 / 50
Which of the following syntax is used to attach an input stream to console?
4 / 50
What if the main method is declared as private?
5 / 50
In Java garbage collection is done by_______________
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Exceptions must be handled while handling files otherwise it may lead to _____
7 / 50
You can ---------to a network using sockets.
8 / 50
Map interface is derived from the Collection interface.
9 / 50
Event source can have --------- listeners registered on it.
10 / 50
Which of the following are passed as an argument to the paint ( ) method?
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12 / 50
In Java a final class must be sub-classed before it.
13 / 50
JPanel and Applet use ________ as their default layout.
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15 / 50
Static methods only access ___
16 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
17 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
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An abstract class --------------- instantiated.
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20 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
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22 / 50
Which of the following stream is a filter stream?
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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?
24 / 50
To create DataBaseMetaData object we write following line of code
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The relationship between class and interface is called ________
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Which of the following function will be used to register event handler with events generator (button)?
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Which of the following is true about abstract class?
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A ................defines the way and method of communication between two parties
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What if the static modifier is removed from the signature of the main method?
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Based on functionality, the streams can be categorized as________
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A serializable class must implement the method(s) _________.
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The classes which contain the word _____ are byte oriented streams.
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A serializable class must implement the method(s)............
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Which of the following is called ' pure abstract class ' ?
35 / 50
BorderLayout is the default layout manager for a JFrame content pane
36 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
37 / 50
A ___________ defines the way and method of communication between two parties.
38 / 50
DSN stands for _________
39 / 50
CREATE, ALTER, DROP are _________ SQL statements.
40 / 50
The collections API are defined in ______ package?
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Java developed in __________
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Which of the following package needs to be import while handling files?
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In Java, which of these classes implement the LayoutManager interface?
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45 / 50
Window frame and dialog use ________ as their default layout.
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An abstract class ---------------instantiated.
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JavaBeans are?
48 / 50
HahMap takes key as a/an _________
49 / 50
Which of the following stream read/write data in the form of bytes?
50 / 50
A top level class without any modifier is accessible to
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