CS506 Midterm Online Quiz

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CS506-Midterm

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Java program code is compiled into form called

2 / 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).

3 / 50

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

4 / 50

Based on functionality, the streams can be categorized as________

5 / 50

All the exceptions and errors in java are inherited from _____ class.

6 / 50

Which of these are valid declarations for the main method?

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To create DataBaseMetaData object we write following line of code

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

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

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

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

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

13 / 50

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

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

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

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

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Which of the following is true about abstract class?

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HahMap takes key as a/an _________

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

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

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

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

23 / 50

JavaBeans are?

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____________is/are the JSP Implicit Object(s).

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

26 / 50

BorderLayout is the default layout manager for a JFrame content pane

27 / 50

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

28 / 50

The relationship between class and interface is called ________

29 / 50

Which of the following is a general purpose container?

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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?

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In Java garbage collection is done by_______________

32 / 50

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

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Which of the following is used for inheritance in java?

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

35 / 50

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

36 / 50

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

37 / 50

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

38 / 50

A top level class without any modifier is accessible to

39 / 50

What if the main method is declared as private?

40 / 50

JPanel and Applet use ________ as their default layout.

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

42 / 50

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

43 / 50

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

44 / 50

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

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If we remove String array from main then program____________

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

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A final class can't be extended.

48 / 50

Window Listener interface contains _______ methods.

49 / 50

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

50 / 50

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

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