CS506 Midterm Online Quiz

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CS506-Midterm

1 / 50

Which of the following feature provide facility for multiple inheritances:-

2 / 50

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

3 / 50

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

4 / 50

____________is/are the JSP Implicit Object(s).

5 / 50

A final class can't be extended.

6 / 50

____________is/are the JSP Implicit Object(s).

7 / 50

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

8 / 50

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

9 / 50

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

10 / 50

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

11 / 50

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

12 / 50

The relationship between class and interface is called ________

13 / 50

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

14 / 50

The relationship between class and interface is called ________

15 / 50

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

16 / 50

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

17 / 50

Which of following can be thrown using the throw statement?

18 / 50

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

19 / 50

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

20 / 50

If we remove String array from main then program____________

21 / 50

HahMap takes key as a/an _________

22 / 50

Java program code is compiled into form called

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

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

25 / 50

Which of the following is true about abstract class?

26 / 50

A top level class without any modifier is accessible to

27 / 50

Overloading is _______ whereas overriding is _____

28 / 50

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

29 / 50

Window Listener interface contains _______ methods.

30 / 50

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

31 / 50

In Java an abstract class cannot be sub-classed

32 / 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);

33 / 50

HahMap takes key as a/an _________

34 / 50

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

35 / 50

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

36 / 50

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

37 / 50

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

38 / 50

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

39 / 50

Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?

40 / 50

To create DataBaseMetaData object we write following line of code

41 / 50

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

42 / 50

To create DataBaseMetaData object we write following line of code

43 / 50

Map interface is derived from the Collection interface.

44 / 50

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

45 / 50

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

46 / 50

Which of the following is a general purpose container?

47 / 50

What if the main method is declared as private?

48 / 50

There are _________ types of exceptions in Java

49 / 50

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

50 / 50

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

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