CS506-Midterm
1 / 50
An abstract class --------------- instantiated.
2 / 50
Which of the following are passed as an argument to the paint ( ) method?
3 / 50
To create DataBaseMetaData object we write following line of code
4 / 50
An abstract class ---------------instantiated.
5 / 50
Which of the following are passed as an argument to the paint () method:
6 / 50
CREATE, ALTER, DROP are _________ SQL statements.
7 / 50
All the exceptions and errors in java are inherited from _____ class.
8 / 50
DSN stands for _________
9 / 50
A ___________ defines the way and method of communication between two parties.
10 / 50
JavaBeans are?
11 / 50
Window frame and dialog use ________ as their default layout.
12 / 50
The relationship between class and interface is called ________
13 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
14 / 50
A top level class may have only the following access modifier.
15 / 50
Which of the following function will be used to register event handler with events generator (button)?
16 / 50
17 / 50
In Java a final class must be sub-classed before it.
18 / 50
You can ---------to a network using sockets.
19 / 50
HahMap takes key as a/an _________
20 / 50
Socket is a --------------communication channel between hosts.
21 / 50
Which of the following is true about abstract class?
22 / 50
Mouse events can be trapped for ________ GUI component.
23 / 50
The classes which contain the word _____ are byte oriented streams.
24 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
25 / 50
A top level class without any modifier is accessible to
26 / 50
Java program code is compiled into form called
27 / 50
Which of the following exception belongs to a category of un-checked exception?
28 / 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);
29 / 50
Which of the following feature provide facility for multiple inheritances:-
30 / 50
JPanel and Applet use ________ as their default layout.
31 / 50
Which of the following is used for inheritance in java?
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33 / 50
34 / 50
Based on functionality, the streams can be categorized as________
35 / 50
36 / 50
What if the main method is declared as private?
37 / 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).
38 / 50
Which of the following belongs to a category of checked exception?
39 / 50
Event source can have --------- listeners registered on it.
40 / 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?
41 / 50
Which of the following statement object is used to execute stored procedures?
42 / 50
Which of the following package needs to import while interacting with relational database?
43 / 50
In Java, which of these classes implement the LayoutManager interface?
44 / 50
Java developed in __________
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46 / 50
If we remove static from main then program __________
47 / 50
Which of the following is true about AWT and SWING components?
48 / 50
A collection can store..........
49 / 50
In Java garbage collection is done by_______________
50 / 50
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