method ref constrain (IDEA-119552)

2026-08-26 00:11:26 +07:00 · 2014-01-24 15:53:44 +04:00
parent bd80c200a7
commit b00014b47e
3 changed files with 48 additions and 10 deletions
@@ -0,0 +1,18 @@
+import java.util.*;
+import java.util.stream.Stream;
+
+import static java.util.stream.Collectors.toList;
+
+class Test {
+  final List<String> wordList = new ArrayList<>();
+
+  public void upperCaseWords() {
+    wordList.stream().map(String::toUpperCase);
+
+    List<String> output =
+      wordList.stream()
+        .map(String::toUpperCase)
+        .collect(toList());
+  }
+
+}