| | |
|---|
| | | } |
|---|
| | | return collection |
|---|
| | | .stream() |
|---|
| | | .collect(Collectors.groupingBy(key, Collectors.toList())); |
|---|
| | | .collect(Collectors.groupingBy(key, LinkedHashMap::new, Collectors.toList())); |
|---|
| | | } |
|---|
| | | |
|---|
| | | /** |
|---|
| | |
|---|
| | | } |
|---|
| | | return collection |
|---|
| | | .stream() |
|---|
| | | .collect(Collectors.groupingBy(key1, Collectors.groupingBy(key2, Collectors.toList()))); |
|---|
| | | .collect(Collectors.groupingBy(key1, LinkedHashMap::new, Collectors.groupingBy(key2, LinkedHashMap::new, Collectors.toList()))); |
|---|
| | | } |
|---|
| | | |
|---|
| | | /** |
|---|
| | |
|---|
| | | } |
|---|
| | | return collection |
|---|
| | | .stream() |
|---|
| | | .collect(Collectors.groupingBy(key1, Collectors.toMap(key2, Function.identity(), (l, r) -> l))); |
|---|
| | | .collect(Collectors.groupingBy(key1, LinkedHashMap::new, Collectors.toMap(key2, Function.identity(), (l, r) -> l))); |
|---|
| | | } |
|---|
| | | |
|---|
| | | /** |
|---|
