CS506 Midterm Online Quiz

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CS506-Midterm

1 / 50

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

2 / 50

Which of the following is true about abstract class?

3 / 50

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

4 / 50

An expression tag contains a scripting language expression that is evaluated.

5 / 50

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

6 / 50

If a super class method is protected then overriding method _________

7 / 50

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

8 / 50

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

9 / 50

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

10 / 50

JavaBeans are?

11 / 50

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

12 / 50

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

13 / 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).

14 / 50

Which of the following method is used to execute SELECT SQL statements?

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

Based on functionality, the streams can be categorized as________

20 / 50

If a super class method is protected then overriding method _________

21 / 50

Which of the following statement object is used to execute stored procedures?

22 / 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);

23 / 50

Which of the following is used for inheritance in java?

24 / 50

Window frame and dialog use ________ as their default layout.

25 / 50

What if the main method is declared as private?

26 / 50

A top level class without any modifier is accessible to

27 / 50

Given a one dimensional array arr, what is the correct way of getting the number of elements in arr

28 / 50

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

29 / 50

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

30 / 50

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

31 / 50

A collection can store..........

32 / 50

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

33 / 50

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

34 / 50

A top level class may have only the following access modifier.

35 / 50

Aside from the Scanner class, which of the following class/es can be used for text file file input

36 / 50

Which of the following package needs to import while interacting with relational database?

37 / 50

Border layout divides the area into _______ regions

38 / 50

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

39 / 50

DSN stands for _________

40 / 50

Which of the following statements is true regarding Vectors with no specified base type?

41 / 50

Mouse events can be trapped for ________ GUI component.

42 / 50

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

43 / 50

In Java an abstract class cannot be sub-classed

44 / 50

If we remove String array from main then program____________

45 / 50

When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.

46 / 50

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

47 / 50

Which of these are valid declarations for the main method?

48 / 50

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

49 / 50

Which of the following stream is a filter stream?

50 / 50

To create DataBaseMetaData object we write following line of code

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