CS506 Midterm Online Quiz

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CS506-Midterm

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

2 / 50

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

3 / 50

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

4 / 50

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

5 / 50

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

6 / 50

Window frame and dialog use ________ as their default layout.

7 / 50

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

8 / 50

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

9 / 50

Which of the following is true about abstract class?

10 / 50

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

11 / 50

The relationship between class and interface is called ________

12 / 50

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

13 / 50

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

14 / 50

A top level class without any modifier is accessible to

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

The collections API are defined in ______ package?

19 / 50

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

20 / 50

A top level class without any modifier is accessible to

21 / 50

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

22 / 50

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

23 / 50

Map interface is derived from the Collection interface.

24 / 50

____________is/are the JSP Implicit Object(s).

25 / 50

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

26 / 50

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

27 / 50

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

28 / 50

What if the main method is declared as private?

29 / 50

In Java garbage collection is done by_______________

30 / 50

Which of the following stream is a filter stream?

31 / 50

A final class can't be extended.

32 / 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?

33 / 50

If we remove static from main then program __________

34 / 50

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

35 / 50

If we remove String array from main then program____________

36 / 50

Which of the following is true about AWT and SWING components?

37 / 50

Which of the following is a general purpose container?

38 / 50

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

39 / 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);

40 / 50

In Java an abstract class cannot be sub-classed

41 / 50

If a super class method is protected then overriding method _________

42 / 50

CREATE, ALTER, DROP are _________ SQL statements.

43 / 50

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

44 / 50

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

45 / 50

CREATE, ALTER, DROP are _________ SQL statements.

46 / 50

What if the main method is declared as private?

47 / 50

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

48 / 50

ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.

49 / 50

Window Listener interface contains _______ methods.

50 / 50

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

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