Make test pass by using a method reference.

Graham Allan · Graham Allan · commit 7314f84ac1cd · 2013-10-04T00:57:05.000+01:00
diff --git a/src/test/java/org/adoptopenjdk/lambda/tutorial/Documents.java b/src/test/java/org/adoptopenjdk/lambda/tutorial/Documents.java
@@ -36,7 +36,7 @@ public class Documents {
      */
     public static List<String> titlesOf(Document... documents) {
         return Arrays.stream(documents)
-                .map(d -> d.getTitle())
+                .map(Document::getTitle)
                 .collect(toList());
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -36,7 +36,7 @@ public class Documents {`
`36`	`36`	`*/`
`37`	`37`	`public static List<String> titlesOf(Document... documents) {`
`38`	`38`	`return Arrays.stream(documents)`
`39`		`- .map(d -> d.getTitle())`
	`39`	`+ .map(Document::getTitle)`
`40`	`40`	`.collect(toList());`
`41`	`41`	`}`
`42`	`42`	`}`