java-8

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How to make `Map::get` return either an `Optional` of the found value or `Optional.empty()`
user_9259130
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29
3
22811
java-8 option-type java
Grouping By without using a POJO in java 8
user_36796860
•
8
2
460
java-stream java-8 collections lambda java
Java 8 Stream List<Foo> to Map<Date, Map<String,Long>> with conditional groupingBy
user_71091620
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5
3
1301
java-stream java-8 java
Java 8 List<Foo> to Map<String, Map<String, List<String>>>
user_71091620
•
8
1
1336
java-stream java-8 java
Java 8 - Stream with Objects and primitive wrappers
user_50661690
•
3
2
871
java-stream java-8 java
Change data in an immutable way with Java stream
user_62894060
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4
4
573
java-stream java-8 java
Apply stream to filter out all elements satisfying the condition except one
user_103225530
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3
4
954
java-stream java-8 java
Java 8 : Multiple conditions in map function of stream
user_35743020
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4
6
8435
java-stream java-8 java
Cast the content of optional or streams
user_38763820
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3
2
5337
java-stream java-8 option-type casting java
Java 8 functional way of getting consecutive numbers of a list
user_10126890
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4
2
1453
java-8 functional-programming java
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