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Removing items from LinkedList<>


Removing items from LinkedList<>

By : Herve Delmas
Date : October 16 2020, 06:10 PM
around this issue The reason is you're using while to check if a node should be removed from the LinkedList or not at
code :
while (node.Value.FinalPrice > x)
{
    myLinkedList.Remove(node);
}
if (node.Value.FinalPrice > x)
{
    myLinkedList.Remove(node);
}


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LinkedList<T> (2.0): removing items iteratively

LinkedList<T> (2.0): removing items iteratively


By : Jared
Date : March 29 2020, 07:55 AM
Hope this helps This will remove all nodes that match a criteria, in one loop through the linked list.
code :
LinkedListNode<E> node = list.First;

while (node != null)
{
    var next = node.Next;
    if (node.Value == x) {
        list.Remove(e);
    }
    node = next;
}
How to get the sum of an LinkedList (Sum up items in a LinkedList)

How to get the sum of an LinkedList (Sum up items in a LinkedList)


By : guest
Date : March 29 2020, 07:55 AM
like below fixes the issue What I'm trying to do is get the sum of all integer items retrieved from the database then added into a LinkedList, like so:
code :
bad operand types for binary operator '+'
first type:  int
second type: Object
 Person a = new Person();
 Person b = new Person();
 a + b; //WTF?? 
List sum toFeeBillListTot = new LinkedList();
List<Integer> toFeeBillListTot = new LinkedList<>();
int sum = 0;
for (Integer sumItem : toFeeBillListTot) {
  sum += sumItem;
}
Remove duplicate items from a LinkedList, where the nested collection items can be in any order

Remove duplicate items from a LinkedList, where the nested collection items can be in any order


By : Evren
Date : March 29 2020, 07:55 AM
hop of those help? There are several ways to remove duplicate elements from your list. The "optimal" solution you are up to will require using appropriate data structure, which is optimized for contains operation. In your case it will be HashSet.
The idea is that while traversing your original collection in the same time you maintain the set of traversed elements and check if the current element was already traversed. This approach modifies your original collection in place.
code :
    List<List<String>> input = new LinkedList<List<String>>(Arrays.asList(
            Arrays.asList("Cat", "Mouse", "Dog"),
            Arrays.asList("Dog", "Mouse", "Cat"),
            Arrays.asList("Dog", "Horse", "Cat"),
            Arrays.asList("Dog", "Tiger", "Lion")));

    Set<Set<String>> distinctElements = new HashSet<Set<String>>();

    for (Iterator<List<String>> iterator = input.iterator(); iterator.hasNext(); ) {
        List<String> element = iterator.next();
        HashSet<String> elementAsSet = new HashSet<String>(element);
        if (!distinctElements.contains(elementAsSet)) {
            distinctElements.add(elementAsSet);
        } else {
            iterator.remove();
        }
    }

    System.out.println(input);
    LinkedHashSet<LinkedHashSet<String>> results = new LinkedHashSet<LinkedHashSet<String>>();
    for (List<String> strings : input) {
        results.add(new LinkedHashSet<>(strings));
    }
    System.out.println(results);
LinkedList<LinkedList<String>> results = input.stream().map(LinkedHashSet::new).distinct()
        .map(LinkedList::new).collect(Collectors.toCollection(() -> new LinkedList<LinkedList<String>>()));
List<List<String>> results = input.stream().map(LinkedHashSet::new).distinct()
        .map(LinkedList::new).collect(Collectors.toList());
Removing and sorting items in a LinkedList - Java

Removing and sorting items in a LinkedList - Java


By : Cynthia Cook
Date : March 29 2020, 07:55 AM
This might help you I have a LinkedList data structure I am using to store some items. This question is part of a course which requires me to use the standard java.utils LinkedList. The basic scenario is to be able to add in Books and Dictionaries to a LinkedList and then remove them. The question I am stuck on now requires sorting the LinkedList so that all the Dictionaries are at the end of the LinkedList and the Books are at the start. , Consider your code:
code :
for(int i = 0; i<b.size(); i++) {
    Book temp = b.bookshelf.get(i);
    if(temp instanceof Dictionary){
        b.bookshelf.remove(temp);
        b.bookshelf.add(size - 1, temp);
    }
}
int start = 0;
int end = bookshelf.size();
while (start < end) {
    if (bookshelf.get(start) instanceof Dictionary) {
        bookshelf.moveToEnd(start);
        end--;
    } else {
        start++;
    }
}
To check palindrome in LinkedList -comparing linkedList and Reverse LinkedList.Getting incorrect answer?

To check palindrome in LinkedList -comparing linkedList and Reverse LinkedList.Getting incorrect answer?


By : David
Date : March 29 2020, 07:55 AM
Hope that helps Here's an ASCII-art depiction of what your list (singular) looks like at each step. I've omitted the superfluous statements and print statements:
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