<dependencies> <dependency> <groupId>com.google.collections</groupId> <artifactId>google-collections</artifactId> <version>1.0</version> </dependency> </dependencies> import com.google.common.collect.Lists; import com.google.common.collect.Maps; import java.util.List; import java.util.Map; public class GoogleCollectionsExample { public static void main(String[] args) { List<String> myList = Lists.newArrayList("apple", "banana", "orange"); Map<String, Integer> myMap = Maps.newHashMap(); myMap.put("apple", 1); myMap.put("banana", 2); myMap.put("orange", 3); List<String> upperCaseList = Lists.transform(myList, String::toUpperCase); Map<String, Integer> incrementedValues = Maps.transformValues(myMap, value -> value + 1); } }


上一篇:
下一篇:
切换中文