CS506-Midterm
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A top level class without any modifier is accessible to
2 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
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A top level class may have only the following access modifier.
4 / 50
Window Listener interface contains _______ methods.
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Exceptions must be handled while handling files otherwise it may lead to____?
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Window frame and dialog use ________ as their default layout.
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Which of the following function will be used to register event handler with events generator (button)?
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An abstract class --------------- instantiated.
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Event source can have --------- listeners registered on it.
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____________is/are the JSP Implicit Object(s).
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Which of the following is true about abstract class?
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In Java garbage collection is done by_______________
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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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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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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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A serializable class must implement the method(s)............
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Which of the following is a general purpose container?
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All the exceptions and errors in java are inherited from _____ class.
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JavaBeans are?
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Which of the following package needs to import while interacting with relational database?
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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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25 / 50
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?
27 / 50
Which of the following statement object is used to execute stored procedures?
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In Java an abstract class cannot be sub-classed
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Which of the following stream is a filter stream?
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You can ---------to a network using sockets.
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Which of the following belongs to a category of checked exception?
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36 / 50
Map interface is derived from the Collection interface.
37 / 50
Mouse events can be trapped for ________ GUI component.
38 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
39 / 50
CREATE, ALTER, DROP are _________ SQL statements.
40 / 50
DSN stands for _________
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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.
42 / 50
In Java a final class must be sub-classed before it.
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HahMap takes key as a/an _________
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If a super class method is protected then overriding method _________
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There are _________ types of exceptions in Java
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BorderLayout is the default layout manager for a JFrame content pane
50 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
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