CS506-Midterm
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In Java a final class must be sub-classed before it.
2 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
3 / 50
Which of the following is called ' pure abstract class ' ?
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All the exceptions and errors in java are inherited from _____ class.
5 / 50
The collections API are defined in ______ package?
6 / 50
Which of the following statement object is used to execute stored procedures?
7 / 50
What if the main method is declared as private?
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9 / 50
Which of the following are passed as an argument to the paint () method:
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Which of the following is true about AWT and SWING components?
11 / 50
An abstract class ---------------instantiated.
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A final class can't be extended.
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In Java an abstract class cannot be sub-classed
14 / 50
BorderLayout is the default layout manager for a JFrame content pane
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If we remove String array from main then program____________
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Window Listener interface contains _______ methods.
17 / 50
A top level class may have only the following access modifier.
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A serializable class must implement the method(s) _________.
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Which of the following feature provide facility for multiple inheritances:-
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Which of the following stream is a filter stream?
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Java program code is compiled into form called
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Which of the following stream read/write data in the form of bytes?
23 / 50
Border layout divides the area into _______ regions
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HahMap takes key as a/an _________
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You can ---------to a network using sockets.
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27 / 50
If a super class method is protected then overriding method _________
28 / 50
Which of the following belongs to a category of checked exception?
29 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
30 / 50
Which of these are valid declarations for the main method?
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Socket is a --------------communication channel between hosts.
32 / 50
To create DataBaseMetaData object we write following line of code
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The classes which contain the word _____ are byte oriented streams.
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35 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
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37 / 50
In Java, which of these classes implement the LayoutManager interface?
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39 / 50
Which of the following is a general purpose container?
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41 / 50
CREATE, ALTER, DROP are _________ SQL statements.
42 / 50
Java developed in __________
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Exceptions must be handled while handling files otherwise it may lead to _____
44 / 50
____________is/are the JSP Implicit Object(s).
45 / 50
What if the static modifier is removed from the signature of the main method?
46 / 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);
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49 / 50
A serializable class must implement the method(s)............
50 / 50
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