Thursday, April 9, 2015

Java: get key by value from map - GWT BiMap

public static <T, E> T getKeyByValue(BiMap<T, E> map, E value) {
        for (Map.Entry<T, E> entry : map.entrySet()) {
            if (value.equals(entry.getValue())) {
                return entry.getKey();
            }
        }
        return null;
    }

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