CS506-Midterm
1 / 50
In Java a final class must be sub-classed before it.
2 / 50
You can ---------to a network using sockets.
3 / 50
Which of the following stream is a filter stream?
4 / 50
The classes which contain the word _____ are byte oriented streams.
5 / 50
Which of the following syntax is used to attach an input stream to console?
6 / 50
CREATE, ALTER, DROP are _________ SQL statements.
7 / 50
A final class can't be extended.
8 / 50
Which of the following is true about AWT and SWING components?
9 / 50
A top level class without any modifier is accessible to
10 / 50
If we remove static from main then program __________
11 / 50
In Java, which of these classes implement the LayoutManager interface?
12 / 50
An abstract class --------------- instantiated.
13 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
14 / 50
Which of the following is a general purpose container?
15 / 50
Which of the following statements is true regarding Vectors with no specified base type?
16 / 50
Based on functionality, the streams can be categorized as________
17 / 50
Which of the following function will be used to register event handler with events generator (button)?
18 / 50
Which of following can be thrown using the throw statement?
19 / 50
An abstract class ---------------instantiated.
20 / 50
Java program code is compiled into form called
21 / 50
Which of the following method is used to execute SELECT SQL statements?
22 / 50
An expression tag contains a scripting language expression that is evaluated.
23 / 50
Which of these are valid declarations for the main method?
24 / 50
Event source can have --------- listeners registered on it.
25 / 50
A ___________ defines the way and method of communication between two parties.
26 / 50
Which of the following statement object is used to execute stored procedures?
27 / 50
A collection can store..........
28 / 50
Which of the following is used for inheritance in java?
29 / 50
Which of the following is called ' pure abstract class ' ?
30 / 50
31 / 50
Which of the following is true about abstract class?
32 / 50
33 / 50
Map interface is derived from the Collection interface.
34 / 50
In Java an abstract class cannot be sub-classed
35 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
36 / 50
37 / 50
A serializable class must implement the method(s) _________.
38 / 50
If a super class method is protected then overriding method _________
39 / 50
40 / 50
All the exceptions and errors in java are inherited from _____ class.
41 / 50
Which of the following exception belongs to a category of un-checked exception?
42 / 50
Which of the following belongs to a category of checked exception?
43 / 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?
44 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
45 / 50
The collections API are defined in ______ package?
46 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
47 / 50
____________is/are the JSP Implicit Object(s).
48 / 50
Socket is a --------------communication channel between hosts.
49 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
50 / 50
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