How to store an array of pairs in Java?

Question

I am new to Java, I want to store an array of pair of doubles. My code looks like this:

import java.util.ArrayList;
import java.util.Map.Entry;

List

        

Answer 1

If you have access to Entry class, you could create a constructor that takes key and value as parameters.

Entry pair = new Entry(0.5, 3.6);
values.add(pair);