CS506-Midterm
1 / 50
Window Listener interface contains _______ methods.
2 / 50
In Java a final class must be sub-classed before it.
3 / 50
Socket is a --------------communication channel between hosts.
4 / 50
Window frame and dialog use ________ as their default layout.
5 / 50
A top level class may have only the following access modifier.
6 / 50
Which of the following are passed as an argument to the paint () method:
7 / 50
DSN stands for _________
8 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
9 / 50
Which of the following stream is a filter stream?
10 / 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);
11 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
12 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
13 / 50
Mouse events can be trapped for ________ GUI component.
14 / 50
A serializable class must implement the method(s) _________.
15 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
16 / 50
To create DataBaseMetaData object we write following line of code
17 / 50
Which of the following function will be used to register event handler with events generator (button)?
18 / 50
Which of the following exception belongs to a category of un-checked exception?
19 / 50
A top level class without any modifier is accessible to
20 / 50
Which of the following statements is true regarding Vectors with no specified base type?
21 / 50
Which of the following are passed as an argument to the paint ( ) method?
22 / 50
Event source can have --------- listeners registered on it.
23 / 50
If a super class method is protected then overriding method _________
24 / 50
Which of the following is called ' pure abstract class ' ?
25 / 50
Which of these are valid declarations for the main method?
26 / 50
Exceptions must be handled while handling files otherwise it may lead to____?
27 / 50
If we remove static from main then program __________
28 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
29 / 50
ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
30 / 50
If we remove String array from main then program____________
31 / 50
The relationship between class and interface is called ________
32 / 50
The collections API are defined in ______ package?
33 / 50
An abstract class ---------------instantiated.
34 / 50
In Java an abstract class cannot be sub-classed
35 / 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?
36 / 50
Java developed in __________
37 / 50
A ................defines the way and method of communication between two parties
38 / 50
An abstract class --------------- instantiated.
39 / 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).
40 / 50
JavaBeans are?
41 / 50
Map interface is derived from the Collection interface.
42 / 50
Which of the following statement object is used to execute stored procedures?
43 / 50
HahMap takes key as a/an _________
44 / 50
JPanel and Applet use ________ as their default layout.
45 / 50
Which of the following package needs to be import while handling files?
46 / 50
Based on functionality, the streams can be categorized as________
47 / 50
48 / 50
Which of the following method is used to execute SELECT SQL statements?
49 / 50
50 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
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