List stringList = Arrays.asList("Java 8", "Lambdas", "In", "Action");
List collect...superT>comparator
写法1:
List stringList = Arrays.asList("Java 8", "Lambdas", "In", "Action");...joining 拼接流中的元素
List stringList = Arrays.asList("Java 8", "Lambdas", "In", "Action");
String...List stringList = Arrays.asList("Java 8", "Lambdas", "In", "Action");
Map<Integer, List<String...], -155279169=[Java 12]}}
List stringList = Arrays.asList("Java 12", "Lambdas", "In", "Action