CS506-Midterm
1 / 50
Based on functionality, the streams can be categorized as________
2 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
3 / 50
Mouse events can be trapped for ________ GUI component.
4 / 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);
5 / 50
A ................defines the way and method of communication between two parties
6 / 50
Which of the following is called ' pure abstract class ' ?
7 / 50
Which of the following statement object is used to execute stored procedures?
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9 / 50
The relationship between class and interface is called ________
10 / 50
Socket is a --------------communication channel between hosts.
11 / 50
You can ---------to a network using sockets.
12 / 50
Which of the following are passed as an argument to the paint () method:
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14 / 50
A top level class may have only the following access modifier.
15 / 50
To create DataBaseMetaData object we write following line of code
16 / 50
Which of the following syntax is used to attach an input stream to console?
17 / 50
What if the main method is declared as private?
18 / 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).
19 / 50
What if the static modifier is removed from the signature of the main method?
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A serializable class must implement the method(s)............
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Which of the following stream read/write data in the form of bytes?
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If we remove String array from main then program____________
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The collections API are defined in ______ package?
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An abstract class ---------------instantiated.
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CREATE, ALTER, DROP are _________ SQL statements.
27 / 50
Which of the following exception belongs to a category of un-checked exception?
28 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
29 / 50
Java developed in __________
30 / 50
If a super class method is protected then overriding method _________
31 / 50
In Java garbage collection is done by_______________
32 / 50
HahMap takes key as a/an _________
33 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
34 / 50
A serializable class must implement the method(s) _________.
35 / 50
Border layout divides the area into _______ regions
36 / 50
In Java an abstract class cannot be sub-classed
37 / 50
Which of the following feature provide facility for multiple inheritances:-
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39 / 50
Which of the following method is used to execute SELECT SQL statements?
40 / 50
Which of following can be thrown using the throw statement?
41 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
42 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
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44 / 50
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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Which of the following is used for inheritance in java?
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Which of the following stream is a filter stream?
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49 / 50
Which of the following statements is true regarding Vectors with no specified base type?
50 / 50
If we remove static from main then program __________
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