Sort user defined objects/POJO in array (java/example/Comparator interface)
Given an array of user defined objects/POJO in java. We would like to sort user defined objects on certain properties/data […]
Sorting
Dutch national flag problem or Sort array containing 0s, 1s & 2s in java
Given an array containing unsorted integers 0,1 & 2. Sort the given input array using non recursive method. Dutch national flag
Sort an integer array using mergesort algorithm in java (with example)
What is merge sort algorithm? Merge sort(or MergeSort) is efficient, comparison based algorithm. The properties of merge sort algorithm are
Sort integer array in java using quicksort algorithm (example)
Given unsorted array in java, Sort integer array – Quick sort (partition-exchange) algorithm. Quick sort is divide & conquer algo. complexity : O(n log n).
Sort objects on multiple fields /properties – Comparator interface (lambda stream java 8)
Given a the list of objects, we need to sort the objects by their multiple properties. We have used java 8 streams to sort the objects. In below example, we have take the Person object. We will sort the list of person objects by their firstName. Also we have shown the cascaded sorting wherein we have sorted the list on multiple fields.We have performed the following operations.