CS506 Midterm Online Quiz

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CS506-Midterm

1 / 50

Socket is a --------------communication channel between hosts.

2 / 50

Which of the following belongs to a category of checked exception?

3 / 50

Which of the following syntax is used to attach an input stream to console?

4 / 50

What if the main method is declared as private?

5 / 50

In Java garbage collection is done by_______________

6 / 50

Exceptions must be handled while handling files otherwise it may lead to _____

7 / 50

You can ---------to a network using sockets.

8 / 50

Map interface is derived from the Collection interface.

9 / 50

Event source can have --------- listeners registered on it.

10 / 50

Which of the following are passed as an argument to the paint ( ) method?

11 / 50

Exceptions must be handled while handling files otherwise it may lead to _____

12 / 50

In Java a final class must be sub-classed before it.

13 / 50

JPanel and Applet use ________ as their default layout.

14 / 50

In Java a final class must be sub-classed before it.

15 / 50

Static methods only access ___

16 / 50

Which of the following methods are invoked by the AWT to support paint and repaint operations?

17 / 50

Exceptions must be handled while handling files otherwise it may lead to____?

18 / 50

An abstract class --------------- instantiated.

19 / 50

Which of the following methods are invoked by the AWT to support paint and repaint operations?

20 / 50

BorderLayout is the default layout manager for a JFrame’s content pane

21 / 50

What if the main method is declared as private?

22 / 50

Which of the following stream is a filter stream?

23 / 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?

24 / 50

To create DataBaseMetaData object we write following line of code

25 / 50

The relationship between class and interface is called ________

26 / 50

Which of the following function will be used to register event handler with events generator (button)?

27 / 50

Which of the following is true about abstract class?

28 / 50

A ................defines the way and method of communication between two parties

29 / 50

What if the static modifier is removed from the signature of the main method?

30 / 50

Based on functionality, the streams can be categorized as________

31 / 50

A serializable class must implement the method(s) _________.

32 / 50

The classes which contain the word _____ are byte oriented streams.

33 / 50

A serializable class must implement the method(s)............

34 / 50

Which of the following is called ' pure abstract class ' ?

35 / 50

BorderLayout is the default layout manager for a JFrame content pane

36 / 50

Aside from the Scanner class, which of the following classes can be used for text-file file input?

37 / 50

A ___________ defines the way and method of communication between two parties.

38 / 50

DSN stands for _________

39 / 50

CREATE, ALTER, DROP are _________ SQL statements.

40 / 50

The collections API are defined in ______ package?

41 / 50

Java developed in __________

42 / 50

Which of the following package needs to be import while handling files?

43 / 50

In Java, which of these classes implement the LayoutManager interface?

44 / 50

Which of the following stream is a filter stream?

45 / 50

Window frame and dialog use ________ as their default layout.

46 / 50

An abstract class ---------------instantiated.

47 / 50

JavaBeans are?

48 / 50

HahMap takes key as a/an _________

49 / 50

Which of the following stream read/write data in the form of bytes?

50 / 50

A top level class without any modifier is accessible to

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