[Java] How to find the index of given element in an array?

List has indexOf method, so we can convert Array to List and call indexOf method on it.
Following code shows how to do that.

import java.util.Arrays;

public class JavaArrays {
	public static void main(String[] args) {
		String[] colors = { "red", "green", "blue", "orange", "maroon" };
		System.out.println(Arrays.asList(colors).indexOf("blue"));
	}
}

Output:

2

You can try the code online here: https://onecompiler.com/java/3xmt6qqfv