CyclicSort.java

import java.util.Arrays;

public class CyclicSort {
    public static void main(String[] args) {
        int[] arr = {3,5,4,1,2};
//        cyclic(arr);
        CyclicSort ob = new CyclicSort();
        ob.cyclic(arr);
        System.out.println(Arrays.toString(arr));
    }
    static void cyclic(int[] arr){
        int i = 0;
        while(i< arr.length){
            int correct = arr[i]-1;
            if(arr[i] != arr[correct]){
                swap(arr, i,correct);
            }else {
                i++;
            }
        }
    }
    static void swap(int[] arr, int first, int second){
        int temp= arr[first];
        arr[first] = arr[second];
        arr[second] = temp;
    }
}