package com.baeldung.ethereumj.config; import com.baeldung.ethereumj.beans.EthBean; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import java.util.concurrent.Executors; @Configuration public class EthConfig { @Bean EthBean ethBeanConfig() throws Exception { EthBean eBean = new EthBean(); Executors.newSingleThreadExecutor().submit(eBean::start); return eBean; } }