Protected access modifier in Java - Interactive Code Practice

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Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a protected variable named data.

Java

protected [1] data;

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Aint

Bpublic

Cclass

Dvoid

Attempts:

3 left

2fill in blank

medium

Complete the code to declare a protected method named showData that returns nothing.

Java

protected [1] showData() { }

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Aclass

Bint

Cvoid

DString

Attempts:

3 left

3fill in blank

hard

Fix the error in the code by completing the access modifier for the method display so it can be accessed by subclasses.

Java

[1] void display() { System.out.println("Hello"); }

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Aprivate

Bpublic

Cstatic

Dprotected

Attempts:

3 left

4fill in blank

hard

Fill both blanks to declare a protected constructor for class Example.

Java

class Example {
    [1] [2]() { }
}

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Aprotected

Bpublic

CExample

Dvoid

Attempts:

3 left

5fill in blank

hard

Fill all three blanks to create a protected method named calculate that returns an integer and takes an integer parameter named value.

Java

protected [1] calculate([2] [3]) { return value * 2; }

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Aint

Cvalue

Dvoid

Attempts:

3 left