CS506-Midterm
1 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
2 / 50
Window Listener interface contains _______ methods.
3 / 50
There are _________ types of exceptions in Java
4 / 50
Socket is a --------------communication channel between hosts.
5 / 50
Which of the following is called ' pure abstract class ' ?
6 / 50
Which of following can be thrown using the throw statement?
7 / 50
Mouse events can be trapped for ________ GUI component.
8 / 50
Which of the following belongs to a category of checked exception?
9 / 50
If we remove String array from main then program____________
10 / 50
Which of the following stream is a filter stream?
11 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
12 / 50
Which of the following statement object is used to execute stored procedures?
13 / 50
What if the main method is declared as private?
14 / 50
Which of the following is true about abstract class?
15 / 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);
16 / 50
____________is/are the JSP Implicit Object(s).
17 / 50
BorderLayout is the default layout manager for a JFrame content pane
18 / 50
What if the static modifier is removed from the signature of the main method?
19 / 50
In Java a final class must be sub-classed before it.
20 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
21 / 50
Which of the following function will be used to register event handler with events generator (button)?
22 / 50
Overloading is _______ whereas overriding is _____
23 / 50
Window frame and dialog use ________ as their default layout.
24 / 50
JPanel and Applet use ________ as their default layout.
25 / 50
A serializable class must implement the method(s) _________.
26 / 50
Map interface is derived from the Collection interface.
27 / 50
28 / 50
A top level class may have only the following access modifier.
29 / 50
HahMap takes key as a/an _________
30 / 50
31 / 50
A final class can't be extended.
32 / 50
Which of the following method is used to execute SELECT SQL statements?
33 / 50
If a super class method is protected then overriding method _________
34 / 50
Which of the following package needs to be import while handling files?
35 / 50
A ................defines the way and method of communication between two parties
36 / 50
37 / 50
Which of the following syntax is used to attach an input stream to console?
38 / 50
You can ---------to a network using sockets.
39 / 50
JavaBeans are?
40 / 50
Which of the following package needs to import while interacting with relational database?
41 / 50
42 / 50
The relationship between class and interface is called ________
43 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
44 / 50
45 / 50
Which of the following is true about AWT and SWING components?
46 / 50
To create DataBaseMetaData object we write following line of code
47 / 50
48 / 50
Which of these are valid declarations for the main method?
49 / 50
An abstract class ---------------instantiated.
50 / 50
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