Why packages are used in Java - Test Your Understanding

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Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a package named 'com.example.app'.

Java

package [1];

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Acom.example.app

Bexample.com.app

Capp.example.com

Dcom_app_example

Attempts:

3 left

2fill in blank

medium

Complete the code to import the class 'MyClass' from package 'com.example.utils'.

Java

import [1].MyClass;

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Autils.example.com

Bcom.example.utils

Cexample.com.utils

Dcom_utils_example

Attempts:

3 left

3fill in blank

hard

Fix the error in the package declaration to follow Java conventions.

Java

package [1];

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ACom.Example.App

Bcom_example_app

Cexample.com.app

Dcom.example.app

Attempts:

3 left

4fill in blank

hard

Fill both blanks to create a package and import statement for 'utils' package.

Java

package [1];
import [2].Helper;

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Acom.example.utils

Bcom.example.helpers

Attempts:

3 left

5fill in blank

hard

Fill all three blanks to declare a package, import a class, and create an object of that class.

Java

package [1];
import [2].Service;
public class Main {
    public static void main(String[] args) {
        [3] obj = new Service();
    }
}

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Acom.example.app

Bcom.example.service

CService

Attempts:

3 left