CS506-Midterm
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Which of the following is called ' pure abstract class ' ?
2 / 50
Event source can have --------- listeners registered on it.
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Which of the following method is used to execute SELECT SQL statements?
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If we remove String array from main then program____________
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A top level class without any modifier is accessible to
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Which of the following is a general purpose container?
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If a super class method is protected then overriding method _________
8 / 50
Java developed in __________
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Which of the following is true about AWT and SWING components?
10 / 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?
11 / 50
Which of the following function will be used to register event handler with events generator (button)?
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JavaBeans are?
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Which of the following belongs to a category of checked exception?
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Which of the following is true about abstract class?
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BorderLayout is the default layout manager for a JFrame’s content pane
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An abstract class --------------- instantiated.
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The collections API are defined in ______ package?
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20 / 50
HahMap takes key as a/an _________
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A ................defines the way and method of communication between two parties
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JPanel and Applet use ________ as their default layout.
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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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A serializable class must implement the method(s) _________.
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To create DataBaseMetaData object we write following line of code
27 / 50
Which of the following statements is true regarding Vectors with no specified base type?
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What if the static modifier is removed from the signature of the main method?
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A collection can store..........
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CREATE, ALTER, DROP are _________ SQL statements.
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Which of the following exception belongs to a category of un-checked exception?
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All the exceptions and errors in java are inherited from _____ class.
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34 / 50
Which of the following stream is a filter stream?
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Which of the following are passed as an argument to the paint ( ) method?
36 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
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38 / 50
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There are _________ types of exceptions in Java
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The relationship between class and interface is called ________
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Window frame and dialog use ________ as their default layout.
42 / 50
A ___________ defines the way and method of communication between two parties.
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Aside from the Scanner class, which of the following classes can be used for text-file file input?
44 / 50
A top level class may have only the following access modifier.
45 / 50
Which of following can be thrown using the throw statement?
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Which of the following statement object is used to execute stored procedures?
48 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
49 / 50
Which of the following is used for inheritance in java?
50 / 50
In Java an abstract class cannot be sub-classed
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