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Java Stream - 如何在Stream中获取最长的字符串

stream 【stream】
我们想知道如何在Stream中获取最长的字符串。
代码展示 运行结果 
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;

public class Main {
  public static void main(String[] args) {

    List<String> friends = Arrays.asList("CSS", "HTML", "Oracle", "Dart");
    Comparator<String> compByLength = (aName, bName) -> aName.length()
        - bName.length();
    friends
        .stream()
        .max(compByLength)
        .ifPresent(
            longest -> System.out.println("\nThe longest name is " + longest));
  }
}