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index of function in java for array

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Hera Aijaz answered on March 18, 2020 Popularity 9/10 Helpfulness 3/10

answer index of function in java for array

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index of function in java for array

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// Java program to find index of
// an element in N elements
import java.util.stream.IntStream;
public class index {
  
    // Function to find the index of an element
    public static int findIndex(int arr[], int t)
    {
        int len = arr.length;
        return IntStream.range(0, len)
            .filter(i -> t == arr[i])
            .findFirst() // first occurrence
            .orElse(-1); // No element found
    }
    public static void main(String[] args)
    {
        int[] my_array = { 5, 4, 6, 1, 3, 2, 7, 8, 9 };
        System.out.println("Index position of 5 is: "
                           + findIndex(my_array, 5));
        System.out.println("Index position of 7 is: "
                           + findIndex(my_array, 7));
    }
}

Popularity 9/10 Helpfulness 3/10 Language java

Source: www.geeksforgeeks.org

Tags: function java

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Contributed on Aug 22 2022

Hera Aijaz

0 Answers Avg Quality 2/10

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java indexof array

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java.util.Arrays.asList(theArray).indexOf(o)

Popularity 10/10 Helpfulness 4/10 Language java

Source: stackoverflow.com

Tags: indexof

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Contributed on Mar 18 2020

Crazy Curlew

0 Answers Avg Quality 2/10

indexof an array in java

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import java.util.ArrayList;

class Main {
    public static void main(String[] args) {
        // create an ArrayList
        ArrayList<Integer> numbers = new ArrayList<>();

        // insert element to the arraylist
        numbers.add(22);
        numbers.add(13);
        numbers.add(35);
        System.out.println("Number ArrayList: " + numbers);

        // find the position of 13
        int position1 = numbers.indexOf(13);
        System.out.println("Index of 13: " + position1);

        // find the position of 50
        int position2 = numbers.indexOf(50);
        System.out.println("Index of 50: " + position2);
    }
}

Popularity 10/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: indexof

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Contributed on Jun 09 2022

Deepak jha

0 Answers Avg Quality 2/10

index of function in java for array

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