CS506-Midterm
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JavaBeans are?
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A top level class without any modifier is accessible 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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An abstract class ---------------instantiated.
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Which of the following is used for inheritance in java?
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A top level class may have only the following access modifier.
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JPanel and Applet use ________ as their default layout.
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Aside from the Scanner class, which of the following classes can be used for text-file file input?
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Window Listener interface contains _______ methods.
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A final class can't be extended.
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Which of the following method is used to execute SELECT SQL statements?
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In Java, which of these classes implement the LayoutManager interface?
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BorderLayout is the default layout manager for a JFrame’s content pane
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In Java an abstract class cannot be sub-classed
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Based on functionality, the streams can be categorized as________
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Which of the following stream read/write data in the form of bytes?
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Exceptions must be handled while handling files otherwise it may lead to _____
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Which of the following stream is a filter stream?
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Event source can have --------- listeners registered on it.
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Which of the following statement object is used to execute stored procedures?
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Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
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Socket is a --------------communication channel between hosts.
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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 is called ' pure abstract class ' ?
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Mouse events can be trapped for ________ GUI component.
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If we remove String array from main then program____________
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Which of the following is a general purpose container?
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There are _________ types of exceptions in Java
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HahMap takes key as a/an _________
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Exceptions must be handled while handling files otherwise it may lead to____?
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Map interface is derived from the Collection interface.
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____________is/are the JSP Implicit Object(s).
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Overloading is _______ whereas overriding is _____
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Which of the following exception belongs to a category of un-checked exception?
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Which of the following package needs to import while interacting with relational database?
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Window frame and dialog use ________ as their default layout.
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A ___________ defines the way and method of communication between two parties.
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Which of the following statements is true regarding Vectors with no specified base type?
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Which of following can be thrown using the throw statement?
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An abstract class --------------- instantiated.
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What if the main method is declared as private?
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The collections API are defined in ______ package?
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Which of the following package needs to be import while handling files?
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