摘要：1、application.yml 配置 spring:rabbitmq: host: localhost port: 5672 listener: simple: acknowledge-mode: manual // 手动签发 prefetch: 1 retry: enabled: true i 阅读全文

摘要：普通Collection的创建 List<String> list = Lists.newArrayList(); Set<String> set = Sets.newHashSet(); Map<String, String> map = Maps.newHashMap(); 不变Collecti 阅读全文