CS506-Midterm
1 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
2 / 50
An abstract class ---------------instantiated.
3 / 50
Which of the following statement object is used to execute stored procedures?
4 / 50
Which of the following is a general purpose container?
5 / 50
In Java a final class must be sub-classed before it.
6 / 50
Event source can have --------- listeners registered on it.
7 / 50
Which of the following is true about AWT and SWING components?
8 / 50
The relationship between class and interface is called ________
9 / 50
HahMap takes key as a/an _________
10 / 50
A top level class may have only the following access modifier.
11 / 50
The classes which contain the word _____ are byte oriented streams.
12 / 50
Which of the following stream is a filter stream?
13 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
14 / 50
The collections API are defined in ______ package?
15 / 50
Which of the following stream read/write data in the form of bytes?
16 / 50
17 / 50
If a super class method is protected then overriding method _________
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19 / 50
Which of the following is true about abstract class?
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21 / 50
A final class can't be extended.
22 / 50
You can ---------to a network using sockets.
23 / 50
In Java an abstract class cannot be sub-classed
24 / 50
Socket is a --------------communication channel between hosts.
25 / 50
A top level class without any modifier is accessible to
26 / 50
To create DataBaseMetaData object we write following line of code
27 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
28 / 50
CREATE, ALTER, DROP are _________ SQL statements.
29 / 50
What if the main method is declared as private?
30 / 50
Which of the following syntax is used to attach an input stream to console?
31 / 50
Which of the following are passed as an argument to the paint () method:
32 / 50
There are _________ types of exceptions in Java
33 / 50
34 / 50
A ___________ defines the way and method of communication between two parties.
35 / 50
Border layout divides the area into _______ regions
36 / 50
In Java garbage collection is done by_______________
37 / 50
If we remove String array from main then program____________
38 / 50
JPanel and Applet use ________ as their default layout.
39 / 50
An abstract class --------------- instantiated.
40 / 50
41 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
42 / 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?
43 / 50
A serializable class must implement the method(s)............
44 / 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).
45 / 50
A collection can store..........
46 / 50
Window frame and dialog use ________ as their default layout.
47 / 50
Which of the following package needs to be import while handling files?
48 / 50
49 / 50
Which of these are valid declarations for the main method?
50 / 50
Which of the following is used for inheritance in java?
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