CS506-Midterm
1 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
2 / 50
Static methods only access ___
3 / 50
Socket is a --------------communication channel between hosts.
4 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
5 / 50
If a super class method is protected then overriding method _________
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All the exceptions and errors in java are inherited from _____ class.
7 / 50
In Java garbage collection is done by_______________
8 / 50
In Java an abstract class cannot be sub-classed
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10 / 50
A top level class may have only the following access modifier.
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Event source can have --------- listeners registered on it.
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A top level class without any modifier is accessible to
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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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15 / 50
The relationship between class and interface is called ________
16 / 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);
17 / 50
Mouse events can be trapped for ________ GUI component.
18 / 50
Which of following can be thrown using the throw statement?
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A serializable class must implement the method(s)............
20 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
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Which of the following package needs to be import while handling files?
22 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
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24 / 50
In Java, which of these classes implement the LayoutManager interface?
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Which of the following is called ' pure abstract class ' ?
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HahMap takes key as a/an _________
27 / 50
In Java a final class must be sub-classed before it.
28 / 50
Which of the following stream read/write data in the form of bytes?
29 / 50
DSN stands for _________
30 / 50
Window frame and dialog use ________ as their default layout.
31 / 50
Which of the following statement object is used to execute stored procedures?
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What if the main method is declared as private?
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Based on functionality, the streams can be categorized as________
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A collection can store..........
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Which of the following function will be used to register event handler with events generator (button)?
36 / 50
Which of the following method is used to execute SELECT SQL statements?
37 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
38 / 50
Which of the following belongs to a category of checked exception?
39 / 50
A final class can't be extended.
40 / 50
You can ---------to a network using sockets.
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42 / 50
Map interface is derived from the Collection interface.
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To create DataBaseMetaData object we write following line of code
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Java program code is compiled into form called
45 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
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____________is/are the JSP Implicit Object(s).
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A serializable class must implement the method(s) _________.
48 / 50
An expression tag contains a scripting language expression that is evaluated.
49 / 50
Which of the following is true about abstract class?
50 / 50
The collections API are defined in ______ package?
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