Sorting a LinkedList with a lambda expression-CodePudding

Hello. I want to sort a newly created LinkedList ascending, all elements of the list are crated randomly. My task is to sort them with a Comparator, but I am not allowed to write a class that implements Comparator, rather I should sort it by a lambda expression. This is my code so far:

public List<Integer> methodName(int length, int min, int max){
        LinkedList<Integer> intll = new LinkedList<>();
        for (int i =0; i<length;i  ){
            intll.add(ThreadLocalRandom.current().nextInt(min,max 1));
        //Sorting part

So far I tried using the sort method from Collections and List, but could not help me further more with that. Thank you very much for helping me in advance.

CodePudding user response：

LinkedList<Integer> sortedIntll = intll.stream().sorted(Comparator.comparingInt(Integer::valueOf)).collect(Collectors.toCollection(LinkedList::new));

CodePudding user response：

import java.util.stream.Collectors;

public List<Integer> methodName(int length, int min, int max) {
        LinkedList<Integer> intll = new LinkedList<>();
        for (int i =0; i<length;i  )
            intll.add(ThreadLocalRandom.current().nextInt(min,max 1));

        return intll.stream().sorted((a, b) -> a - b).collect(Collectors.toList());
}

if you want to change the sort order, use b - a instead of a - b