package com.javarush.task.pro.task05.task0519; import java.util.Arrays; public class Solution { public static int[] array = {9, 8, 7, 6, 5, 4, 3, 2, 1}; public static int element = 5; public static void main(String[] args) { //напишите тут ваш код int index = Arrays.binarySearch(array, element); if (index < 0) { System.out.println("false"); } else { System.out.println("true"); } } }