CS506-Midterm
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Which of the following is called ' pure abstract class ' ?
2 / 50
What if the static modifier is removed from the signature of the main method?
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4 / 50
Which of the following package needs to import while interacting with relational database?
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Which of the following exception belongs to a category of un-checked exception?
6 / 50
Window frame and dialog use ________ as their default layout.
7 / 50
Which of the following are passed as an argument to the paint () method:
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Exceptions must be handled while handling files otherwise it may lead to _____
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Which of the following is true about abstract class?
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An expression tag contains a scripting language expression that is evaluated.
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The relationship between class and interface is called ________
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Which of the following statements is true regarding Vectors with no specified base type?
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A ___________ defines the way and method of communication between two parties.
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A top level class without any modifier is accessible to
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Socket is a --------------communication channel between hosts.
16 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
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Which of the following stream read/write data in the form of bytes?
18 / 50
The collections API are defined in ______ package?
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In Java a final class must be sub-classed before it.
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Which of the following package needs to be import while handling files?
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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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Map interface is derived from the Collection interface.
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____________is/are the JSP Implicit Object(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 function will be used to register event handler with events generator (button)?
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What if the main method is declared as private?
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In Java garbage collection is done by_______________
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Which of the following stream is a filter stream?
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A final class can't be extended.
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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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If we remove static from main then program __________
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Which of the following methods are invoked by the AWT to support paint and repaint operations?
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If we remove String array from main then program____________
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Which of the following is true about AWT and SWING components?
37 / 50
Which of the following is a general purpose container?
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You can ---------to a network using sockets.
39 / 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);
40 / 50
In Java an abstract class cannot be sub-classed
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If a super class method is protected then overriding method _________
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CREATE, ALTER, DROP are _________ SQL statements.
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An abstract class --------------- instantiated.
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A top level class may have only the following access modifier.
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ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
49 / 50
Window Listener interface contains _______ methods.
50 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
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