CS506-Midterm
1 / 50
Which of the following syntax is used to attach an input stream to console?
2 / 50
Which of the following is true about abstract class?
3 / 50
A ___________ defines the way and method of communication between two parties.
4 / 50
An expression tag contains a scripting language expression that is evaluated.
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An abstract class ---------------instantiated.
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If a super class method is protected then overriding method _________
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In Java a final class must be sub-classed before it.
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You can ---------to a network using sockets.
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Which of the following stream read/write data in the form of bytes?
10 / 50
JavaBeans are?
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Which of the following are passed as an argument to the paint ( ) method?
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In Java, which of these classes implement the LayoutManager interface?
13 / 50
When recursive method is called to solve a problem, the method actually is capable of solving only the simpler case(s), or base case(s).
14 / 50
Which of the following method is used to execute SELECT SQL statements?
15 / 50
Which of the following is called ' pure abstract class ' ?
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17 / 50
What if the static modifier is removed from the signature of the main method?
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Which of the following exception belongs to a category of un-checked exception?
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Based on functionality, the streams can be categorized as________
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21 / 50
Which of the following statement object is used to execute stored procedures?
22 / 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);
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Which of the following is used for inheritance in java?
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Window frame and dialog use ________ as their default layout.
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What if the main method is declared as private?
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A top level class without any modifier is accessible to
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Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
28 / 50
Which of the following function will be used to register event handler with events generator (button)?
29 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
30 / 50
A serializable class must implement the method(s)............
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A collection can store..........
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A top level class may have only the following access modifier.
35 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
36 / 50
Which of the following package needs to import while interacting with relational database?
37 / 50
Border layout divides the area into _______ regions
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A serializable class must implement the method(s) _________.
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DSN stands for _________
40 / 50
Which of the following statements is true regarding Vectors with no specified base type?
41 / 50
Mouse events can be trapped for ________ GUI component.
42 / 50
An abstract class --------------- instantiated.
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In Java an abstract class cannot be sub-classed
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If we remove String array from main then program____________
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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.
46 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
47 / 50
Which of these are valid declarations for the main method?
48 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
49 / 50
Which of the following stream is a filter stream?
50 / 50
To create DataBaseMetaData object we write following line of code
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