Java Collection, LinkedList Exercises: Remove all the elements from a linked list
Java Collection, LinkedList Exercises: Exercise-14 with Solution
Write a Java program to remove all the elements from a linked list.
Sample Solution:-
Java Code:
import java.util.*;
public class Exercise14 {
public static void main(String[] args) {
// create an empty linked list
LinkedList<String> l_list = new LinkedList<String>();
// use add() method to add values in the linked list
l_list.add("Red");
l_list.add("Green");
l_list.add("Black");
l_list.add("Pink");
l_list.add("orange");
// print the list
System.out.println("The Original linked list: " + l_list);
// Removing all the elements from the linked list
l_list.clear();
System.out.println("The New linked list: " + l_list);
}
}
Sample Output:
The Original linked list: [Red, Green, Black, Pink, orange] The New linked list: []
Pictorial Presentation:
Flowchart:

Java Code Editor:
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Java: Tips of the Day
getEnumMap
Converts to enum to Map where key is the name and value is Enum itself.
public static <E extends Enum<E>> Map<String, E> getEnumMap(final Class<E> enumClass) { return Arrays.stream(enumClass.getEnumConstants()) .collect(Collectors.toMap(Enum::name, Function.identity())); }
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