java 127 kotlin 95 immutable-datastructures 71 data-structures 61 gson 60 annotation-processor 59 builder 59 guava 59 immutable-objects 59 immutables 59 jackson 59 vectors 53 maps 53 lists 53 kotlin-multiplatform 53 kmp 53 immutable 42 collections 36 functional-programming 29 stream 18 monad 17 monads 17 effects 15 experimental 15 free-monad 15 higher-kinded-types 15 io-monad 15 memoization 15 typeclasses 15 tuples 15 tagless-final 15 mtl 15 monad-transformers 15 persistent-collections 14 library 13 jdk8 13 jdk11 13 jdk 13 facade 13 collectors 13 backport 13 javaslang 12 object-functional 12 cache 12 caffine 12 data 12 draft 12 fetch 12 graphql 12 immer 12 jdbc 12 orm 12 redis 12 redis-cache 12 vavr 10 java8 10 eclipse-collections 8 functional 8 java-collections 8 object-oriented 8 primitive-collections 8 orm-library 6 orm-framework 6 orms 6 hacktoberfest 4 immutability 4 jvm 4 clojure 3 functional-transformations 3 null-safety 3 persistentvector 3 rrb-tree 3 transformations 3 laziness 2 measure 2 mutable-containers 2 java-8 2 java-library 2 hashmap 1 containers 1 avl-tree 1 hashset 1 jimmutable-collections 1 multiset 1 persistent-data-structure 1 gwt 1 streams 1 trie 1