CS506-Midterm
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Which of the following package needs to import while interacting with relational database?
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In Java a final class must be sub-classed before it.
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Which of the following feature provide facility for multiple inheritances:-
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Overloading is _______ whereas overriding is _____
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Which of the following methods are invoked by the AWT to support paint and repaint operations?
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HahMap takes key as a/an _________
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Which of the following is a general purpose container?
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In Java garbage collection is done by_______________
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In Java, which of these classes implement the LayoutManager interface?
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JavaBeans are?
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Exceptions must be handled while handling files otherwise it may lead to _____
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Which of the following function will be used to register event handler with events generator (button)?
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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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You can ---------to a network using sockets.
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An abstract class ---------------instantiated.
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To create DataBaseMetaData object we write following line of code
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Static methods only access ___
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Which of the following stream is a filter stream?
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BorderLayout is the default layout manager for a JFrame’s content pane
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Which of these are valid declarations for the main method?
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Mouse events can be trapped for ________ GUI component.
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Socket is a --------------communication channel between hosts.
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The collections API are defined in ______ package?
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An abstract class --------------- instantiated.
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____________is/are the JSP Implicit Object(s).
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If a super class method is protected then overriding method _________
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Which of the following statements is true regarding Vectors with no specified base type?
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A top level class may have only the following access modifier.
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Event source can have --------- listeners registered on it.
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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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The classes which contain the word _____ are byte oriented streams.
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Map interface is derived from the Collection interface.
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35 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
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A serializable class must implement the method(s)............
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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 SELECT SQL statements?
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Which of the following is true about abstract class?
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Which of the following statement object is used to execute stored procedures?
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A serializable class must implement the method(s) _________.
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An expression tag contains a scripting language expression that is evaluated.
48 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
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50 / 50
What if the main method is declared as private?
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