Java Array Index Of indexOf(int[] arr, int e)

Description

index Of

License

Open Source License

Declaration

public static int indexOf(int[] arr, int e) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.List;

public class Main {

    public static int indexOf(int[] arr, int e) {
        for (int i = 0; i < arr.length; i++) {
            if (arr[i] == e) {
                return i;
            }// w  w  w  .  ja v a  2s.co m
        }
        return -1;
    }

    public static int indexOf(String[] arr, String e) {
        for (int i = 0; i < arr.length; i++) {
            if (arr[i].equals(e)) {
                return i;
            }
        }
        return -1;
    }

    public static int indexOf(List<Integer> list, Integer value) {
        for (int i = 0; i < list.size(); i++) {
            if (list.get(i) == value) {
                return i;
            }
        }
        return -1;
    }
}

Related

1. indexOf(byte[] array, byte[] target, int start)
2. indexOf(byte[] target, byte[] key)
3. indexOf(char toBeFound, char[] array)
4. indexOf(final String[] p_elements, final String p_key)
5. indexOf(final T[] array, final T value)
6. indexOf(int[] arr, int val)
7. indexOf(Object[] array, Object objectToFind)
8. indexOf(Object[] array, Object objectToFind)
9. indexOf(Object[] elements, Object value)