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Java Collection, LinkedList Exercises: Remove a specified element from a linked list

Java Collection, LinkedList Exercises: Exercise-12 with Solution

Write a Java program to remove a specified element from a linked list.

Sample Solution:-

Java Code:

import java.util.*;

public class Exercise12 {
 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);

  // Remove the element in third position from the said linked list
  l_list.remove(2);
  System.out.println("The New linked list: " + l_list);
 }
}

Sample Output:

The Original linked list: [Red, Green, Black, Pink, orange]            
The New linked list: [Red, Green, Pink, orange] 

Pictorial Presentation:

Java Collection Linked-list: Remove a specified element from a linked list.

Flowchart:

Flowchart: Remove a specified element from a linked list

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()));
}

Ref: https://bit.ly/3xXcFZt