Method put

ij/src/main/java/ij/astro/types/MultiMap.java:29–31

Adds a value to the list of values associated with the specified key. If the key does not exist, it will be created. @param key the key to which the value will be added @param value the value to add

(K key, V value)

     * @param value the value to add
     */
    public void put(K key, V value) {
        map.computeIfAbsent(Objects.requireNonNull(key), k -> new ArrayList<>()).add(Objects.requireNonNull(value));
    }

    /**
     * Returns a list of values associated with the specified key.