CS506-Midterm
1 / 50
Which of the following are passed as an argument to the paint ( ) method?
2 / 50
The classes which contain the word _____ are byte oriented streams.
3 / 50
The code below draws a line. What color is the line? g.setColor(Color.red.green.yellow.red); g.drawLine(0, 0, 100,100);
4 / 50
In Java garbage collection is done by_______________
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Which of the following package needs to import while interacting with relational database?
6 / 50
You can ---------to a network using sockets.
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A top level class without any modifier is accessible to
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To create DataBaseMetaData object we write following line of code
9 / 50
Which of the following is called ' pure abstract class ' ?
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Which of the following stream is a filter stream?
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In Java an abstract class cannot be sub-classed
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Map interface is derived from the Collection interface.
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Which of the following statement object is used to execute stored procedures?
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Event source can have --------- listeners registered on it.
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17 / 50
CREATE, ALTER, DROP are _________ SQL statements.
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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?
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In Java a final class must be sub-classed before it.
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Which of these are valid declarations for the main method?
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____________is/are the JSP Implicit Object(s).
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Which of the following statements is true regarding Vectors with no specified base type?
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JavaBeans are?
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DSN stands for _________
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A serializable class must implement the method(s)............
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What if the main method is declared as private?
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BorderLayout is the default layout manager for a JFrame’s content pane
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Window Listener interface contains _______ methods.
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The relationship between class and interface is called ________
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Mouse events can be trapped for ________ GUI component.
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What if the static modifier is removed from the signature of the main method?
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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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38 / 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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Which of the following is a general purpose container?
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Java program code is compiled into form called
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Based on functionality, the streams can be categorized as________
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A top level class may have only the following access modifier.
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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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50 / 50
All the exceptions and errors in java are inherited from _____ class.
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