CS506-Midterm
1 / 50
Which of the following method is used to execute SELECT SQL statements?
2 / 50
A ................defines the way and method of communication between two parties
3 / 50
There are _________ types of exceptions in Java
4 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
5 / 50
Which of the following are passed as an argument to the paint () method:
6 / 50
A top level class may have only the following access modifier.
7 / 50
BorderLayout is the default layout manager for a JFrame content pane
8 / 50
Which of the following function will be used to register event handler with events generator (button)?
9 / 50
HahMap takes key as a/an _________
10 / 50
Which of these are valid declarations for the main method?
11 / 50
In Java garbage collection is done by_______________
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What if the static modifier is removed from the signature of the main method?
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Which of the following stream is a filter stream?
15 / 50
A serializable class must implement the method(s)............
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Which of the following package needs to be import while handling files?
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Which of the following stream read/write data in the form of bytes?
18 / 50
In Java a final class must be sub-classed before it.
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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.
21 / 50
____________is/are the JSP Implicit Object(s).
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An abstract class --------------- instantiated.
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All the exceptions and errors in java are inherited from _____ class.
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Static methods only access ___
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If a super class method is protected then overriding method _________
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The collections API are defined in ______ package?
27 / 50
A serializable class must implement the method(s) _________.
28 / 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).
29 / 50
The classes which contain the word _____ are byte oriented streams.
30 / 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?
31 / 50
Event source can have --------- listeners registered on it.
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35 / 50
Based on functionality, the streams can be categorized as________
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The relationship between class and interface is called ________
38 / 50
If we remove static from main then program __________
39 / 50
Which of the following statement object is used to execute stored procedures?
40 / 50
41 / 50
JavaBeans are?
42 / 50
DSN stands for _________
43 / 50
Which of the following is true about AWT and SWING components?
44 / 50
What if the main method is declared as private?
45 / 50
A final class can't be extended.
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48 / 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);
49 / 50
Which of the following is true about abstract class?
50 / 50
A ___________ defines the way and method of communication between two parties.
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