CS506-Midterm
1 / 50
Which of the following function will be used to register event handler with events generator (button)?
2 / 50
Which of the following is called ' pure abstract class ' ?
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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.
4 / 50
In Java an abstract class cannot be sub-classed
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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?
7 / 50
Map interface is derived from the Collection interface.
8 / 50
Which of the following is true about abstract class?
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Static methods only access ___
10 / 50
A serializable class must implement the method(s) _________.
11 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
12 / 50
Event source can have --------- listeners registered on it.
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14 / 50
An abstract class ---------------instantiated.
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16 / 50
Which of the following are passed as an argument to the paint ( ) method?
17 / 50
Which of the following package needs to import while interacting with relational database?
18 / 50
HahMap takes key as a/an _________
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20 / 50
Which of following can be thrown using the throw statement?
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The relationship between class and interface is called ________
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Window Listener interface contains _______ methods.
23 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
24 / 50
Which of these are valid declarations for the main method?
25 / 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);
26 / 50
An expression tag contains a scripting language expression that is evaluated.
27 / 50
Which of the following feature provide facility for multiple inheritances:-
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29 / 50
CREATE, ALTER, DROP are _________ SQL statements.
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31 / 50
Which of the following is a general purpose container?
32 / 50
To create DataBaseMetaData object we write following line of code
33 / 50
When recursive method is called to solve a problem, the method actually is capable of solving only the simpler case(s), or base case(s).
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BorderLayout is the default layout manager for a JFrame’s content pane
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The classes which contain the word _____ are byte oriented streams.
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What if the main method is declared as private?
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What if the static modifier is removed from the signature of the main method?
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All the exceptions and errors in java are inherited from _____ class.
39 / 50
____________is/are the JSP Implicit Object(s).
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If we remove String array from main then program____________
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Mouse events can be trapped for ________ GUI component.
42 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
43 / 50
Which of the following is true about AWT and SWING components?
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45 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
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Java developed in __________
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Which of the following belongs to a category of checked exception?
48 / 50
Which of the following syntax is used to attach an input stream to console?
49 / 50
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?
50 / 50
Which of the following stream read/write data in the form of bytes?
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