CS506-Midterm
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A top level class may have only the following access modifier.
2 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
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The relationship between class and interface is called ________
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There are _________ types of exceptions in Java
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A serializable class must implement the method(s) _________.
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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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A collection can store..........
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A final class can't be extended.
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An abstract class --------------- instantiated.
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Which of the following methods are invoked by the AWT to support paint and repaint operations?
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What if the main method is declared as private?
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Border layout divides the area into _______ regions
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If a super class method is protected then overriding method _________
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Mouse events can be trapped for ________ GUI component.
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To create DataBaseMetaData object we write following line of code
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All the exceptions and errors in java are inherited from _____ class.
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What if the static modifier is removed from the signature of the main method?
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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?
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The classes which contain the word _____ are byte oriented streams.
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Which of the following function will be used to register event handler with events generator (button)?
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Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
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Which of the following is a general purpose container?
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If we remove String array from main then program____________
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CREATE, ALTER, DROP are _________ SQL statements.
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HahMap takes key as a/an _________
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The collections API are defined in ______ package?
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Which of the following syntax is used to attach an input stream to console?
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BorderLayout is the default layout manager for a JFrame’s content pane
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Which of the following is true about AWT and SWING components?
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Window frame and dialog use ________ as their default layout.
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In Java an abstract class cannot be sub-classed
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Which of the following statement object is used to execute stored procedures?
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JPanel and Applet use ________ as their default layout.
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Which of the following are passed as an argument to the paint ( ) method?
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You can ---------to a network using sockets.
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Which of the following is true about abstract class?
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An abstract class ---------------instantiated.
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In Java, which of these classes implement the LayoutManager interface?
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Exceptions must be handled while handling files otherwise it may lead to____?
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____________is/are the JSP Implicit Object(s).
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Java program code is compiled into form called
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JavaBeans are?
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A serializable class must implement the method(s)............
50 / 50
Which of the following is called ' pure abstract class ' ?
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