CS506-Midterm
1 / 50
Which of the following stream read/write data in the form of bytes?
2 / 50
Which of the following is a general purpose container?
3 / 50
A top level class may have only the following access modifier.
4 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
5 / 50
A ___________ defines the way and method of communication between two parties.
6 / 50
If a super class method is protected then overriding method _________
7 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
8 / 50
Which of the following function will be used to register event handler with events generator (button)?
9 / 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?
10 / 50
HahMap takes key as a/an _________
11 / 50
All the exceptions and errors in java are inherited from _____ class.
12 / 50
Which of the following belongs to a category of checked exception?
13 / 50
To create DataBaseMetaData object we write following line of code
14 / 50
Border layout divides the area into _______ regions
15 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
16 / 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).
17 / 50
Which of the following is called ' pure abstract class ' ?
18 / 50
A top level class without any modifier is accessible to
19 / 50
In Java, which of these classes implement the LayoutManager interface?
20 / 50
If we remove String array from main then program____________
21 / 50
____________is/are the JSP Implicit Object(s).
22 / 50
Which of the following package needs to be import while handling files?
23 / 50
You can ---------to a network using sockets.
24 / 50
Which of the following is true about AWT and SWING components?
25 / 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);
26 / 50
Which of following can be thrown using the throw statement?
27 / 50
An expression tag contains a scripting language expression that is evaluated.
28 / 50
29 / 50
Java program code is compiled into form called
30 / 50
BorderLayout is the default layout manager for a JFrame content pane
31 / 50
In Java a final class must be sub-classed before it.
32 / 50
What if the main method is declared as private?
33 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
34 / 50
Which of the following stream is a filter stream?
35 / 50
36 / 50
Static methods only access ___
37 / 50
In Java garbage collection is done by_______________
38 / 50
Which of these are valid declarations for the main method?
39 / 50
A serializable class must implement the method(s) _________.
40 / 50
Which of the following statement object is used to execute stored procedures?
41 / 50
The collections API are defined in ______ package?
42 / 50
Which of the following is true about abstract class?
43 / 50
Which of the following statements is true regarding Vectors with no specified base type?
44 / 50
Socket is a --------------communication channel between hosts.
45 / 50
JavaBeans are?
46 / 50
The classes which contain the word _____ are byte oriented streams.
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49 / 50
Event source can have --------- listeners registered on it.
50 / 50
CREATE, ALTER, DROP are _________ SQL statements.
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