随笔分类 -  GoogleGuava

Google Guava - Strings
摘要：（一）Joiner import com.google.common.base.Joiner; import com.google.common.io.Files; import org.junit.Test; import java.io.File; import java.io.FileWrit 阅读全文
posted @ 2020-07-04 22:12 芝諾de乌龟 阅读(229) 评论(0) 推荐(0)
Google Guava - Utilities
摘要：（一）Optional //返回指定引用的Optional实例，若指定引用为null，抛出NullPointerException Optional<Integer> optional1 = Optional.of(5); Optional<Object> optional2 = Optional. 阅读全文
posted @ 2020-07-03 13:37 芝諾de乌龟 阅读(139) 评论(0) 推荐(0)