package com.example; import java.lang.reflect.Array; import java.util.Arrays; public class ArraysClass { public static void main(String args[]){ int[] arr = {2,5,7,2,1,9,5,9,23,12,56,34,45,22,11,20}; //In sort method parallelSort is more efficient to sort Arrays.parallelSort(arr,3,9); for(int i = 0 ; i < arr.length ; i++) System.out.print(arr[i] + " "); System.out.println(); Arrays.sort(arr); for(int i = 0 ; i < arr.length ; i++) System.out.print(arr[i] + " "); //binarySearch method serach elements and return index System.out.println("\n" + arr[Arrays.binarySearch(arr,23)] + " Index is " + Arrays.binarySearch(arr,23)); //use to same elements in array fill method Arrays.fill(arr,1,10,5); //toString method its return string to represent array of all elements // its use to travasing more efficient to converted String } }