Import statement usage in Java - Interactive Code Practice

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Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the ArrayList class from java.util package.

Java

import java.util.[1];

public class Main {
    public static void main(String[] args) {
        ArrayList<String> list = new ArrayList<>();
    }
}

🎯 Drag options to blanks, or click blank then click option

AArrayList

BScanner

CHashMap

DLinkedList

Attempts:

3 left

2fill in blank

medium

Complete the code to import all classes from the java.io package.

Java

import java.io[1];

public class Main {
    public static void main(String[] args) {
        // code using java.io classes
    }
}

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A.all

B.*

C.allClasses

D.allFiles

Attempts:

3 left

3fill in blank

hard

Fix the error in the import statement to correctly import the HashMap class.

Java

import java.util.[1];

public class Main {
    public static void main(String[] args) {
        HashMap<String, Integer> map = new HashMap<>();
    }
}

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AHashMap

Bhashmap

CHashmap

DhashMap

Attempts:

3 left

4fill in blank

hard

Fill both blanks to import the Scanner class and create a Scanner object.

Java

import java.util.[1];

public class Main {
    public static void main(String[] args) {
        [2] scanner = new Scanner(System.in);
    }
}

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AScanner

CArrayList

DHashMap

Attempts:

3 left

5fill in blank

hard

Fill all three blanks to import the List interface, declare a List variable, and initialize it with an ArrayList.

Java

import java.util.[1];
import java.util.[2];

public class Main {
    public static void main(String[] args) {
        [3]<String> list = new ArrayList<>();
    }
}

🎯 Drag options to blanks, or click blank then click option

AList

BArrayList

Attempts:

3 left