CS506-Midterm
1 / 50
Which of the following syntax is used to attach an input stream to console?
2 / 50
Which of the following package needs to be import while handling files?
3 / 50
A serializable class must implement the method(s)............
4 / 50
Which of the following method is used to execute SELECT SQL statements?
5 / 50
In Java, which of these classes implement the LayoutManager interface?
6 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
7 / 50
Which of the following stream is a filter stream?
8 / 50
In Java a final class must be sub-classed before it.
9 / 50
Which of the following statements is true regarding Vectors with no specified base type?
10 / 50
Which of the following stream read/write data in the form of bytes?
11 / 50
Which of following can be thrown using the throw statement?
12 / 50
You can ---------to a network using sockets.
13 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
14 / 50
In Java garbage collection is done by_______________
15 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
16 / 50
An abstract class --------------- instantiated.
17 / 50
Mouse events can be trapped for ________ GUI component.
18 / 50
In Java an abstract class cannot be sub-classed
19 / 50
Based on functionality, the streams can be categorized as________
20 / 50
Which of the following is true about AWT and SWING components?
21 / 50
The relationship between class and interface is called ________
22 / 50
Event source can have --------- listeners registered on it.
23 / 50
Which of the following package needs to import while interacting with relational database?
24 / 50
A collection can store..........
25 / 50
____________is/are the JSP Implicit Object(s).
26 / 50
If we remove String array from main then program____________
27 / 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);
28 / 50
An abstract class ---------------instantiated.
29 / 50
Which of the following exception belongs to a category of un-checked exception?
30 / 50
Static methods only access ___
31 / 50
HahMap takes key as a/an _________
32 / 50
All the exceptions and errors in java are inherited from _____ class.
33 / 50
JavaBeans are?
34 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
35 / 50
What if the main method is declared as private?
36 / 50
Which of the following is true about abstract class?
37 / 50
Which of the following statement object is used to execute stored procedures?
38 / 50
Border layout divides the area into _______ regions
39 / 50
Overloading is _______ whereas overriding is _____
40 / 50
Window frame and dialog use ________ as their default layout.
41 / 50
Which of the following are passed as an argument to the paint () method:
42 / 50
43 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
44 / 50
Socket is a --------------communication channel between hosts.
45 / 50
A serializable class must implement the method(s) _________.
46 / 50
Which of the following function will be used to register event handler with events generator (button)?
47 / 50
48 / 50
If a super class method is protected then overriding method _________
49 / 50
50 / 50
Which of the following is used for inheritance in java?
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