CS506-Midterm
1 / 50
Which of the following function will be used to register event handler with events generator (button)?
2 / 50
In Java, which of these classes implement the LayoutManager interface?
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All the exceptions and errors in java are inherited from _____ class.
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Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
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Which of the following is a general purpose container?
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The relationship between class and interface is called ________
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Which of the following is called ' pure abstract class ' ?
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An abstract class ---------------instantiated.
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If a super class method is protected then overriding method _________
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A serializable class must implement the method(s) _________.
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12 / 50
Java program code is compiled into form called
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Window Listener interface contains _______ methods.
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ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
15 / 50
Which of the following stream read/write data in the form of bytes?
16 / 50
Window frame and dialog use ________ as their default layout.
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18 / 50
A top level class may have only the following access modifier.
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In Java an abstract class cannot be sub-classed
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Which of the following feature provide facility for multiple inheritances:-
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____________is/are the JSP Implicit Object(s).
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A serializable class must implement the method(s)............
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Border layout divides the area into _______ regions
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Aside from the Scanner class, which of the following classes can be used for text-file file input?
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In Java a final class must be sub-classed before it.
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The classes which contain the word _____ are byte oriented streams.
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Which of following can be thrown using the throw statement?
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Exceptions must be handled while handling files otherwise it may lead to____?
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Which of the following statement object is used to execute stored procedures?
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DSN stands for _________
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Which of the following is used for inheritance in java?
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A ___________ defines the way and method of communication between two parties.
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Which of the following are passed as an argument to the paint () method:
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Event source can have --------- listeners registered on it.
37 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
38 / 50
HahMap takes key as a/an _________
39 / 50
Which of the following package needs to be import while handling files?
40 / 50
CREATE, ALTER, DROP are _________ SQL statements.
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In Java garbage collection is done by_______________
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JPanel and Applet use ________ as their default layout.
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Which of the following exception belongs to a category of un-checked exception?
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When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
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If we remove static from main then program __________
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BorderLayout is the default layout manager for a JFrame’s content pane
49 / 50
You can ---------to a network using sockets.
50 / 50
A top level class without any modifier is accessible to
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