MethodReference.java

Java•上級

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Java

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UserService.java

StreamProcessor.java

GenericClass.java

LambdaExample.java

TryCatchResource.java

EnumPattern.java

MethodReference.java

Annotation.java

SwitchExpression.java

InterfaceDefault.java

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MethodReference.java

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Map<String, List<User>> grouped = users.stream()↵

.collect(Collectors.groupingBy(User::getDepartment,↵

Collectors.toList()));

0WPM•0%•0:00•0/133(0%)|Ln 1, Col 1

UTF-8•Java

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