Java: Array of primitive data types does not autobox

char

char[]

char ch = 'a';
String chars = "abc";
boolean member = chars.indexOf(ch) >= 0;

public static Integer[] boxedArray(int[] array) {
	Integer[] result = new Integer[array.length];
	for (int i = 0; i < array.length; i++)
		result[i] = array[i];
	return result;
}

import java.lang.reflect.Array
public static boolean isMemberOfArray(Object item, Object array)
{
    int n = Array.getLength(array)
    for (int i = 0; i < n; i++) {
        if (Array.get(array, i).equals(item)) {
            return true;
        }
    }
    return false;
}