CS506-Midterm
1 / 50
A top level class may have only the following access modifier.
2 / 50
Overloading is _______ whereas overriding is _____
3 / 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);
4 / 50
The classes which contain the word _____ are byte oriented streams.
5 / 50
Which of the following function will be used to register event handler with events generator (button)?
6 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
7 / 50
Socket is a --------------communication channel between hosts.
8 / 50
An abstract class --------------- instantiated.
9 / 50
What if the static modifier is removed from the signature of the main method?
10 / 50
Which of the following package needs to import while interacting with relational database?
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12 / 50
A ................defines the way and method of communication between two parties
13 / 50
Which of the following statements is true regarding Vectors with no specified base type?
14 / 50
If a super class method is protected then overriding method _________
15 / 50
Which of the following statement object is used to execute stored procedures?
16 / 50
____________is/are the JSP Implicit Object(s).
17 / 50
HahMap takes key as a/an _________
18 / 50
Which of the following is true about abstract class?
19 / 50
An expression tag contains a scripting language expression that is evaluated.
20 / 50
To create DataBaseMetaData object we write following line of code
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22 / 50
Event source can have --------- listeners registered on it.
23 / 50
A serializable class must implement the method(s)............
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25 / 50
What if the main method is declared as private?
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Which of the following belongs to a category of checked exception?
27 / 50
There are _________ types of exceptions in Java
28 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
29 / 50
In Java a final class must be sub-classed before it.
30 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
31 / 50
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33 / 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).
34 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
35 / 50
Which of the following are passed as an argument to the paint () method:
36 / 50
37 / 50
38 / 50
You can ---------to a network using sockets.
39 / 50
40 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
41 / 50
All the exceptions and errors in java are inherited from _____ class.
42 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
43 / 50
Java developed in __________
44 / 50
In Java an abstract class cannot be sub-classed
45 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
46 / 50
Which of the following stream read/write data in the form of bytes?
47 / 50
Window frame and dialog use ________ as their default layout.
48 / 50
DSN stands for _________
49 / 50
Which of the following is true about AWT and SWING components?
50 / 50
Map interface is derived from the Collection interface.
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