Searching in an Array in java

Java Programming Language Array in java (Article) Array in java (Program)

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Program:

import java.util.Arrays;

public class SearchArray {
    public static void main(String[] args) {
        int[] arr = {10, 20, 30, 40, 50};
        int key = 30;

        int index = Arrays.binarySearch(arr, key); // array must be sorted
        if(index >= 0){
            System.out.println("Element found at index: " + index);
        } else {
            System.out.println("Element not found");
        }
    }
}

Output:

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