{"id":"https://openalex.org/W2973282825","doi":"https://doi.org/10.1145/3350768.3350791","title":"Does the Introduction of Lambda Expressions Improve the Comprehension of Java Programs?","display_name":"Does the Introduction of Lambda Expressions Improve the Comprehension of Java Programs?","publication_year":2019,"publication_date":"2019-09-20","ids":{"openalex":"https://openalex.org/W2973282825","doi":"https://doi.org/10.1145/3350768.3350791","mag":"2973282825"},"language":"en","primary_location":{"id":"doi:10.1145/3350768.3350791","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3350768.3350791","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the XXXIII Brazilian Symposium on Software Engineering","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5078840348","display_name":"Walter Lucas","orcid":"https://orcid.org/0000-0001-7391-9622"},"institutions":[{"id":"https://openalex.org/I150729083","display_name":"Universidade de Bras\u00edlia","ror":"https://ror.org/02xfp8v59","country_code":"BR","type":"education","lineage":["https://openalex.org/I150729083"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"Walter Lucas","raw_affiliation_strings":["Computer Science Department, University of Bras\u00edlia (UnB), Bras\u00edlia, Brazil"],"affiliations":[{"raw_affiliation_string":"Computer Science Department, University of Bras\u00edlia (UnB), Bras\u00edlia, Brazil","institution_ids":["https://openalex.org/I150729083"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021715300","display_name":"Rodrigo Bonif\u00e1cio","orcid":"https://orcid.org/0000-0002-2380-2829"},"institutions":[{"id":"https://openalex.org/I150729083","display_name":"Universidade de Bras\u00edlia","ror":"https://ror.org/02xfp8v59","country_code":"BR","type":"education","lineage":["https://openalex.org/I150729083"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Rodrigo Bonif\u00e1cio","raw_affiliation_strings":["Computer Science Department, University of Bras\u00edlia (UnB), Bras\u00edlia, Brazil"],"affiliations":[{"raw_affiliation_string":"Computer Science Department, University of Bras\u00edlia (UnB), Bras\u00edlia, Brazil","institution_ids":["https://openalex.org/I150729083"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000905065","display_name":"Edna Dias Canedo","orcid":"https://orcid.org/0000-0002-2159-339X"},"institutions":[{"id":"https://openalex.org/I150729083","display_name":"Universidade de Bras\u00edlia","ror":"https://ror.org/02xfp8v59","country_code":"BR","type":"education","lineage":["https://openalex.org/I150729083"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Edna Dias Canedo","raw_affiliation_strings":["Computer Science Department, University of Bras\u00edlia (UnB), Bras\u00edlia, Brazil"],"affiliations":[{"raw_affiliation_string":"Computer Science Department, University of Bras\u00edlia (UnB), Bras\u00edlia, Brazil","institution_ids":["https://openalex.org/I150729083"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005194184","display_name":"Diego Marc\u00edlio","orcid":"https://orcid.org/0009-0002-2187-683X"},"institutions":[{"id":"https://openalex.org/I150729083","display_name":"Universidade de Bras\u00edlia","ror":"https://ror.org/02xfp8v59","country_code":"BR","type":"education","lineage":["https://openalex.org/I150729083"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Diego Marc\u00edlio","raw_affiliation_strings":["Computer Science Department, University of Bras\u00edlia (UnB), Bras\u00edlia, Brazil"],"affiliations":[{"raw_affiliation_string":"Computer Science Department, University of Bras\u00edlia (UnB), Bras\u00edlia, Brazil","institution_ids":["https://openalex.org/I150729083"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089317461","display_name":"Fernanda Lima","orcid":"https://orcid.org/0000-0001-6300-818X"},"institutions":[{"id":"https://openalex.org/I150729083","display_name":"Universidade de Bras\u00edlia","ror":"https://ror.org/02xfp8v59","country_code":"BR","type":"education","lineage":["https://openalex.org/I150729083"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Fernanda Lima","raw_affiliation_strings":["Computer Science Department, University of Bras\u00edlia (UnB), Bras\u00edlia, Brazil"],"affiliations":[{"raw_affiliation_string":"Computer Science Department, University of Bras\u00edlia (UnB), Bras\u00edlia, Brazil","institution_ids":["https://openalex.org/I150729083"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5078840348"],"corresponding_institution_ids":["https://openalex.org/I150729083"],"apc_list":null,"apc_paid":null,"fwci":4.748,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.95434948,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"187","last_page":"196"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10260","display_name":"Software Engineering Research","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10260","display_name":"Software Engineering Research","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10430","display_name":"Software Engineering Techniques and Practices","score":0.9848999977111816,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T12423","display_name":"Software Reliability and Analysis Research","score":0.9837999939918518,"subfield":{"id":"https://openalex.org/subfields/1712","display_name":"Software"},"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/program-comprehension","display_name":"Program comprehension","score":0.7833882570266724},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.782992959022522},{"id":"https://openalex.org/keywords/code-refactoring","display_name":"Code refactoring","score":0.6981711387634277},{"id":"https://openalex.org/keywords/java","display_name":"Java","score":0.6348727941513062},{"id":"https://openalex.org/keywords/comprehension","display_name":"Comprehension","score":0.5658334493637085},{"id":"https://openalex.org/keywords/readability","display_name":"Readability","score":0.5548471212387085},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.5546944737434387},{"id":"https://openalex.org/keywords/source-code","display_name":"Source code","score":0.49490493535995483},{"id":"https://openalex.org/keywords/pair-programming","display_name":"Pair programming","score":0.49111077189445496},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.47366461157798767},{"id":"https://openalex.org/keywords/regular-expression","display_name":"Regular expression","score":0.4462326467037201},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.36174583435058594},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3446310758590698},{"id":"https://openalex.org/keywords/software-development","display_name":"Software development","score":0.2768625020980835},{"id":"https://openalex.org/keywords/software-system","display_name":"Software system","score":0.17030835151672363}],"concepts":[{"id":"https://openalex.org/C2777561058","wikidata":"https://www.wikidata.org/wiki/Q2652119","display_name":"Program comprehension","level":4,"score":0.7833882570266724},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.782992959022522},{"id":"https://openalex.org/C152752567","wikidata":"https://www.wikidata.org/wiki/Q116877","display_name":"Code refactoring","level":3,"score":0.6981711387634277},{"id":"https://openalex.org/C548217200","wikidata":"https://www.wikidata.org/wiki/Q251","display_name":"Java","level":2,"score":0.6348727941513062},{"id":"https://openalex.org/C511192102","wikidata":"https://www.wikidata.org/wiki/Q5156948","display_name":"Comprehension","level":2,"score":0.5658334493637085},{"id":"https://openalex.org/C2778143727","wikidata":"https://www.wikidata.org/wiki/Q1820650","display_name":"Readability","level":2,"score":0.5548471212387085},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.5546944737434387},{"id":"https://openalex.org/C43126263","wikidata":"https://www.wikidata.org/wiki/Q128751","display_name":"Source code","level":2,"score":0.49490493535995483},{"id":"https://openalex.org/C174063052","wikidata":"https://www.wikidata.org/wiki/Q607013","display_name":"Pair programming","level":4,"score":0.49111077189445496},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.47366461157798767},{"id":"https://openalex.org/C121329065","wikidata":"https://www.wikidata.org/wiki/Q185612","display_name":"Regular expression","level":2,"score":0.4462326467037201},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.36174583435058594},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3446310758590698},{"id":"https://openalex.org/C529173508","wikidata":"https://www.wikidata.org/wiki/Q638608","display_name":"Software development","level":3,"score":0.2768625020980835},{"id":"https://openalex.org/C149091818","wikidata":"https://www.wikidata.org/wiki/Q2429814","display_name":"Software system","level":3,"score":0.17030835151672363},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3350768.3350791","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3350768.3350791","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the XXXIII Brazilian Symposium on Software Engineering","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4","score":0.6100000143051147}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W71228264","https://openalex.org/W175363619","https://openalex.org/W2019608710","https://openalex.org/W2048960787","https://openalex.org/W2058690162","https://openalex.org/W2102979206","https://openalex.org/W2153654970","https://openalex.org/W2154671002","https://openalex.org/W2162363818","https://openalex.org/W2162451880","https://openalex.org/W2296620627","https://openalex.org/W2463537704","https://openalex.org/W2741643261","https://openalex.org/W2764146461","https://openalex.org/W2795401142","https://openalex.org/W2884952956","https://openalex.org/W2951985317","https://openalex.org/W2955240862","https://openalex.org/W2963295068","https://openalex.org/W3110837624","https://openalex.org/W4241412370","https://openalex.org/W4252411141","https://openalex.org/W4252684946"],"related_works":["https://openalex.org/W4286331421","https://openalex.org/W2186150085","https://openalex.org/W3033357505","https://openalex.org/W2297781517","https://openalex.org/W2099228597","https://openalex.org/W2610438659","https://openalex.org/W3193004932","https://openalex.org/W4287084643","https://openalex.org/W2973282825","https://openalex.org/W2396061763"],"abstract_inverted_index":{"Background:":[0],"The":[1,56,170],"Java":[2],"programming":[3],"language":[4],"version":[5],"eighth":[6],"introduced":[7],"a":[8,32,37,88,109,150,173,280,319],"number":[9,174],"of":[10,17,58,75,97,108,116,129,131,143,167,180,210,216,219,225,233,272,293,318],"features":[11],"that":[12,35,139,207,230,245,304],"encourage":[13],"the":[14,20,26,49,73,106,114,141,144,159,165,199,208,217,226,231,270,273,276,291,316],"functional":[15],"style":[16],"programming,":[18],"including":[19],"support":[21,290],"for":[22,282,296,307],"lambda":[23,42,77,117,168,211,234,258,266,284,324],"expressions":[24,78,212,259],"and":[25,51,112,133,136,177],"Stream":[27],"API.":[28],"Currently,":[29],"there":[30],"is":[31,61],"common":[33],"wisdom":[34],"refactoring":[36],"legacy":[38],"code":[39,50,99,126,132,181],"to":[40,62,71,105,124,154,183,256,314,322],"introduce":[41,257,323],"expressions,":[43],"besides":[44],"other":[45],"potential":[46],"benefits,":[47],"simplifies":[48],"improves":[52,213,236],"program":[53,80,162,220,237,249,298,309,320],"comprehension.":[54,81,221,238],"Aims:":[55],"purpose":[57],"this":[59,64,85,243],"paper":[60,244],"investigate":[63],"belief,":[65],"conducting":[66],"an":[67],"in":[68,194,242,278],"depth":[69],"study":[70],"evaluate":[72,172],"effect":[74],"introducing":[76,283],"on":[79,161,198],"Method:":[82],"We":[83,119,190,240],"conduct":[84,149],"research":[86],"using":[87],"mixed-method":[89],"study.":[90],"First,":[91],"we":[92,148,202],"quantitatively":[93],"analyze":[94],"66":[95],"pairs":[96,179],"real":[98],"snippets,":[100,182],"where":[101],"each":[102],"pair":[103],"corresponds":[104],"body":[107],"method":[110],"before":[111],"after":[113],"introduction":[115,166,209,232],"expressions.":[118,169,325],"computed":[120],"two":[121,137],"metrics":[122,138],"related":[123],"source":[125,145],"complexity":[127],"(number":[128],"lines":[130],"cyclomatic":[134],"complexity)":[135],"estimate":[140],"readability":[142,310],"code.":[146],"Second,":[147],"survey":[151],"with":[152,164],"practitioners":[153,171],"collect":[155],"their":[156],"perceptions":[157],"about":[158,186],"benefits":[160,317],"comprehension,":[163],"between":[175],"three":[176],"six":[178],"answer":[184],"questions":[185],"possible":[187],"improvements.":[188],"Results:":[189],"found":[191],"contradictory":[192],"results":[193,302],"our":[195,223,301],"research.":[196],"Based":[197],"quantitative":[200],"assessment,":[201],"could":[203],"not":[204,312],"find":[205],"evidences":[206],"software":[214],"readability--one":[215],"components":[218],"Differently,":[222],"findings":[224],"qualitative":[227],"assessment":[228],"suggest":[229,303],"expression":[235],"Implications:":[239],"argue":[241],"one":[246],"can":[247],"improve":[248],"comprehension":[250],"when":[251],"she":[252],"applies":[253],"particular":[254],"transformations":[255],"(e.g.,":[260],"replacing":[261],"anonymous":[262],"inner":[263],"classes":[264],"by":[265],"expressions).":[267],"In":[268],"addition,":[269],"opinion":[271],"participants":[274],"shine":[275],"opportunities":[277],"which":[279],"transformation":[281,321],"might":[285,289],"be":[286],"advantageous.":[287],"This":[288],"implementation":[292],"effective":[294],"tools":[295],"automatic":[297],"transformations.":[299],"Finally,":[300],"state-of-the-art":[305],"models":[306],"estimating":[308],"are":[311],"helpful":[313],"capture":[315]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
