CS506-Midterm
1 / 50
In Java, which of these classes implement the LayoutManager interface?
2 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
3 / 50
DSN stands for _________
4 / 50
Which of the following package needs to be import while handling files?
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Which of the following statements is true regarding Vectors with no specified base type?
6 / 50
Static methods only access ___
7 / 50
Which of the following are passed as an argument to the paint ( ) method?
8 / 50
Which of the following function will be used to register event handler with events generator (button)?
9 / 50
Socket is a --------------communication channel between hosts.
10 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
11 / 50
What if the main method is declared as private?
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A serializable class must implement the method(s) _________.
13 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
14 / 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);
15 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
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An abstract class ---------------instantiated.
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The relationship between class and interface is called ________
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A top level class may have only the following access modifier.
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20 / 50
If we remove String array from main then program____________
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CREATE, ALTER, DROP are _________ SQL statements.
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Event source can have --------- listeners registered on it.
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Java developed in __________
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____________is/are the JSP Implicit Object(s).
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You can ---------to a network using sockets.
26 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
27 / 50
What if the static modifier is removed from the signature of the main method?
28 / 50
29 / 50
Which of following can be thrown using the throw statement?
30 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
31 / 50
In Java an abstract class cannot be sub-classed
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Which of the following are passed as an argument to the paint () method:
33 / 50
A ___________ defines the way and method of communication between two parties.
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If a super class method is protected then overriding method _________
35 / 50
BorderLayout is the default layout manager for a JFrame content pane
36 / 50
A top level class without any modifier is accessible to
37 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
38 / 50
To create DataBaseMetaData object we write following line of code
39 / 50
40 / 50
HahMap takes key as a/an _________
41 / 50
Which of the following statement object is used to execute stored procedures?
42 / 50
Which of the following is true about AWT and SWING components?
43 / 50
JavaBeans are?
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If we remove static from main then program __________
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Which of these are valid declarations for the main method?
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All the exceptions and errors in java are inherited from _____ class.
48 / 50
Window frame and dialog use ________ as their default layout.
49 / 50
Which of the following is called ' pure abstract class ' ?
50 / 50
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