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Generic methods

The first element

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Define and implement a generic static method getFirst that returns the first element of an input array or null in case the array is empty.

The use-case of the method for an integer array:

int[] array = new int[10, 6, 2, 3];
int first = getFirst(array); // 10

Sample Input 1:

Integer
10 6 2 3

Sample Output 1:

Write a program in Java 17

// do not remove imports

import java.util.ArrayList;

import java.util.List;

import java.util.Scanner;

import java.util.function.Function;

class ArrayUtils {

// define getFirst method here

}

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