{"id":"https://openalex.org/W2782737661","doi":"https://doi.org/10.23638/lmcs-14(3:17)2018","title":"Java & Lambda: a Featherweight Story","display_name":"Java & Lambda: a Featherweight Story","publication_year":2018,"publication_date":"2018-01-15","ids":{"openalex":"https://openalex.org/W2782737661","doi":"https://doi.org/10.23638/lmcs-14(3:17)2018","mag":"2782737661"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:1801.05052","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1801.05052","pdf_url":"https://arxiv.org/pdf/1801.05052","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"type":"preprint","indexed_in":["arxiv","doaj"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1801.05052","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5083629281","display_name":"Lorenzo Bettini","orcid":"https://orcid.org/0000-0002-4481-8096"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lorenzo Bettini","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-4481-8096","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075230989","display_name":"Viviana Bono","orcid":"https://orcid.org/0000-0002-2533-0511"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Viviana Bono","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-2533-0511","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053585862","display_name":"Mariangiola Dezani-Ciancaglini","orcid":"https://orcid.org/0000-0002-3341-0941"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mariangiola Dezani-Ciancaglini","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-3341-0941","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5006805009","display_name":"Betti Venneri","orcid":"https://orcid.org/0000-0001-6458-0305"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Betti Venneri","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-6458-0305","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10142","display_name":"Formal Methods in Verification","score":0.9882000088691711,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.972599983215332,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6212344169616699},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.6078925132751465},{"id":"https://openalex.org/keywords/intersection","display_name":"Intersection (aeronautics)","score":0.5634886622428894},{"id":"https://openalex.org/keywords/java","display_name":"Java","score":0.5020585060119629},{"id":"https://openalex.org/keywords/lambda-calculus","display_name":"Lambda calculus","score":0.48846235871315},{"id":"https://openalex.org/keywords/typed-lambda-calculus","display_name":"Typed lambda calculus","score":0.4870057702064514},{"id":"https://openalex.org/keywords/church-encoding","display_name":"Church encoding","score":0.4735673666000366},{"id":"https://openalex.org/keywords/multiple-inheritance","display_name":"Multiple inheritance","score":0.44184234738349915},{"id":"https://openalex.org/keywords/system-f","display_name":"System F","score":0.4166001081466675},{"id":"https://openalex.org/keywords/simply-typed-lambda-calculus","display_name":"Simply typed lambda calculus","score":0.3118884265422821},{"id":"https://openalex.org/keywords/object-oriented-programming","display_name":"Object-oriented programming","score":0.12558847665786743}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6212344169616699},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.6078925132751465},{"id":"https://openalex.org/C64543145","wikidata":"https://www.wikidata.org/wiki/Q162942","display_name":"Intersection (aeronautics)","level":2,"score":0.5634886622428894},{"id":"https://openalex.org/C548217200","wikidata":"https://www.wikidata.org/wiki/Q251","display_name":"Java","level":2,"score":0.5020585060119629},{"id":"https://openalex.org/C135790938","wikidata":"https://www.wikidata.org/wiki/Q242028","display_name":"Lambda calculus","level":2,"score":0.48846235871315},{"id":"https://openalex.org/C142156749","wikidata":"https://www.wikidata.org/wiki/Q2607208","display_name":"Typed lambda calculus","level":3,"score":0.4870057702064514},{"id":"https://openalex.org/C77736955","wikidata":"https://www.wikidata.org/wiki/Q1089708","display_name":"Church encoding","level":5,"score":0.4735673666000366},{"id":"https://openalex.org/C200568363","wikidata":"https://www.wikidata.org/wiki/Q1070739","display_name":"Multiple inheritance","level":3,"score":0.44184234738349915},{"id":"https://openalex.org/C55128367","wikidata":"https://www.wikidata.org/wiki/Q2552799","display_name":"System F","level":3,"score":0.4166001081466675},{"id":"https://openalex.org/C61237538","wikidata":"https://www.wikidata.org/wiki/Q855192","display_name":"Simply typed lambda calculus","level":4,"score":0.3118884265422821},{"id":"https://openalex.org/C73752529","wikidata":"https://www.wikidata.org/wiki/Q79872","display_name":"Object-oriented programming","level":2,"score":0.12558847665786743},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:arXiv.org:1801.05052","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1801.05052","pdf_url":"https://arxiv.org/pdf/1801.05052","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"mag:2782737661","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/1801.05052v4","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"pmh:oai:doaj.org/article:3c6c4a67270f4f78b79399eae29d1e50","is_oa":true,"landing_page_url":"https://doaj.org/article/3c6c4a67270f4f78b79399eae29d1e50","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Logical Methods in Computer Science, Vol Volume 14, Issue 3 (2018)","raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1801.05052","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1801.05052","pdf_url":"https://arxiv.org/pdf/1801.05052","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W2036676170","https://openalex.org/W2053657070"],"related_works":["https://openalex.org/W3104980207","https://openalex.org/W826038776","https://openalex.org/W2889979341","https://openalex.org/W1575837746","https://openalex.org/W1528333778","https://openalex.org/W2949381378","https://openalex.org/W1551442770","https://openalex.org/W2105663497","https://openalex.org/W2163539993","https://openalex.org/W2033348393","https://openalex.org/W2151994258","https://openalex.org/W1551193253","https://openalex.org/W2912924461","https://openalex.org/W2113696254","https://openalex.org/W112045510","https://openalex.org/W1976469722","https://openalex.org/W2001330483","https://openalex.org/W1973156039","https://openalex.org/W1535211157","https://openalex.org/W1510641142"],"abstract_inverted_index":{"We":[0,49,76,159],"present":[1],"FJ&$\\lambda$,":[2,83],"a":[3,18,46,55,67,174,183,204],"new":[4],"core":[5],"calculus":[6,109],"that":[7,111,178],"extends":[8],"Featherweight":[9],"Java":[10,39,104,125,207,227],"(FJ)":[11],"with":[12],"interfaces,":[13],"supporting":[14],"multiple":[15],"inheritance":[16],"in":[17,45,58,61,63,70,82,103,107,138,155],"restricted":[19],"form,":[20],"$\\lambda$-expressions,":[21,90,149],"and":[22,33,69,106,165,171,213,222],"intersection":[23,34,52],"types.":[24,135],"Our":[25],"main":[26],"goal":[27],"is":[28,110,188],"to":[29,95,118],"formalise":[30],"how":[31,51],"lambdas":[32],"types":[35,53,116,146],"are":[36,220],"grafted":[37],"on":[38,98],"8,":[40,208],"by":[41,91,147,198],"studying":[42],"their":[43],"properties":[44],"formal":[47],"setting.":[48],"show":[50],"play":[54],"significant":[56],"role":[57],"several":[59],"cases,":[60],"particular":[62],"the":[64,71,87,119,139,156,161,168,180,199,211,224],"typecast":[65],"of":[66,73,89,182,193,201,206,215],"$\\lambda$-expression":[68],"typing":[72],"conditional":[74],"expressions.":[75,158],"also":[77],"embody":[78],"interface":[79],"\\emph{default":[80],"methods}":[81],"since":[84],"they":[85,151],"increase":[86],"dynamism":[88],"allowing":[92],"these":[93],"methods":[94],"be":[96,153],"called":[97],"$\\lambda$-expressions.":[99],"The":[100,191],"crucial":[101],"point":[102],"8":[105],"our":[108],"$\\lambda$-expressions":[112,131],"can":[113],"have":[114],"various":[115],"according":[117],"context":[120],"requirements":[121],"(target":[122],"types):":[123],"indeed,":[124],"code":[126],"does":[127],"not":[128],"compile":[129],"when":[130],"come":[132],"without":[133],"target":[134,145],"In":[136],"particular,":[137],"operational":[140],"semantics":[141],"we":[142,172],"must":[143],"record":[144],"decorating":[148],"otherwise":[150],"would":[152],"lost":[154],"runtime":[157],"prove":[160],"subject":[162],"reduction":[163],"property":[164],"progress":[166],"for":[167],"resulting":[169],"calculus,":[170],"give":[173],"type":[175,181],"inference":[176],"algorithm":[177],"returns":[179],"given":[184],"program":[185],"if":[186],"it":[187,203],"well":[189],"typed.":[190],"design":[192],"FJ&$\\lambda$":[194,218],"has":[195],"been":[196],"driven":[197],"aim":[200],"making":[202],"subset":[205],"while":[209],"preserving":[210],"elegance":[212],"compactness":[214],"FJ.":[216],"Indeed,":[217],"programs":[219],"typed":[221],"behave":[223],"same":[225],"as":[226],"programs.":[228]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2}],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2025-10-10T00:00:00"}