我该如何合并List<Map<String,String>>到Map<String,String>使用flatMap?
这是我尝试过的:
final Map<String, String> result = response
.stream()
.collect(Collectors.toMap(
s -> (String) s.get("key"),
s -> (String) s.get("value")));
result
.entrySet()
.forEach(e -> System.out.println(e.getKey() + " -> " + e.getValue()));
Run Code Online (Sandbox Code Playgroud)
这不起作用.