How to use

firstEntry

method

in

org.gridgain.grid.util.typedef.F

/**
 * Gets bean configuration.
 *
 * @param ctx Spring context.
 * @param beanCls Bean class.
 * @return Spring bean.
 */
@Nullable private static <T> T bean(ListableBeanFactory ctx, Class<T> beanCls) {
  Map.Entry<String, T> entry = F.firstEntry(ctx.getBeansOfType(beanCls));
  return entry == null ? null : entry.getValue();
}

Map.Entry<?, ?> e = F.firstEntry((Map<?, ?>)obj);