CS506-Midterm
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ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
2 / 50
Which of the following statement object is used to execute stored procedures?
3 / 50
Socket is a --------------communication channel between hosts.
4 / 50
Which of the following stream read/write data in the form of bytes?
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Which of the following method is used to execute SELECT SQL statements?
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A top level class without any modifier is accessible to
7 / 50
In Java a final class must be sub-classed before it.
8 / 50
Window Listener interface contains _______ methods.
9 / 50
You can ---------to a network using sockets.
10 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
11 / 50
A top level class may have only the following access modifier.
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Which of these are valid declarations for the main method?
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Based on functionality, the streams can be categorized as________
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If a super class method is protected then overriding method _________
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Which of the following is true about abstract class?
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CREATE, ALTER, DROP are _________ SQL statements.
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Event source can have --------- listeners registered on it.
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Which of the following is called ' pure abstract class ' ?
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If we remove static from main then program __________
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Which of the following package needs to be import while handling files?
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BorderLayout is the default layout manager for a JFrame’s content pane
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24 / 50
Which of the following are passed as an argument to the paint ( ) method?
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A serializable class must implement the method(s) _________.
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Which of the following stream is a filter stream?
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In Java garbage collection is done by_______________
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In Java an abstract class cannot be sub-classed
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Java developed in __________
30 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
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Which of the following are passed as an argument to the paint () method:
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Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
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A ___________ defines the way and method of communication between two parties.
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37 / 50
What if the main method is declared as private?
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39 / 50
Which of the following is used for inheritance in java?
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Exceptions must be handled while handling files otherwise it may lead to _____
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An expression tag contains a scripting language expression that is evaluated.
42 / 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);
43 / 50
Overloading is _______ whereas overriding is _____
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The relationship between class and interface is called ________
45 / 50
____________is/are the JSP Implicit Object(s).
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Exceptions must be handled while handling files otherwise it may lead to____?
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A final class can't be extended.
48 / 50
All the exceptions and errors in java are inherited from _____ class.
49 / 50
In Java, which of these classes implement the LayoutManager interface?
50 / 50
An abstract class --------------- instantiated.
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