Java BootCamp Micro Series-6

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File class is included in which package?

1 point

java.io package

java.lang package

java.awt package

java.net.package

java.util.package.

Clear selection

Given the code below,which of the following would equate to true?

1 point

s1 == s2

s1!=s2

s1 == s2 == s3

None of the above

Clear selection

In object-oriented programming, new classes can be defined by extending existing classes. This is an example of:

1 point

Encapsulation

Interface

Composition

Inheritance

Aggregation

Clear selection

Q. What is the output of the following program?

1 point

A compilation ERROR will occur at (1), since constructors cannot specify a return value

A compilation error will occur at (2), since the class does not have a default constructor

A compilation error will occur at (3), since the class does not have a constructor which takes one argument of type int

The program will compile correctly

The program will compile and execute correctly.

Clear selection

The wrapping up of data and functions into a single unit is called

1 point

Encapsulation

Interface

Data Hiding

Polymorphism

Message passing

Clear selection

Submit

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