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Java屋さんがGoのFAQを読んでみた
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su-kun1899
December 03, 2018
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Java屋さんがGoのFAQを読んでみた
Gopher道場#4 卒業式&LT大会での発表資料です。
su-kun1899
December 03, 2018
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Transcript
Java͞Μ͕GoͷFAQΛ ಡΜͰΈͨ 2018/12/03 Gopherಓ#4 ଔۀࣜˍLTେձ
ࣗݾհ —@su_kun_1899 —αʔόαΠυΤϯδχΞ —Java —࠷ۙͬͺΒKotlin —Go·ͩझຯ
͢͜ͱ —GoͷFAQ —https://golang.org/doc/faq
Q. What's the origin of the gopher mascot? https://golang.org/doc/gopher/run.png
A. ϗϦωζϛͰ͢ https://upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Pocket-GopherAno-Nuevo-SP.jpg/1084px-Pocket-GopherAno-Nuevo-SP.jpg
—ԼʹେͳτϯωϧΛ۷Δ —ϛωιλभͷѪশͷͻͱͭɺ"the Gopher State" —ϧωɾϑϨϯνͱ͍͏ਓ͕ॻ͍ͨ
Javaͩͱ https://upload.wikimedia.org/wikipedia/commons/thumb/4/45/Duke3D.png/440px-Duke3D.png
Q. Is Go an object-oriented language?
A. Yes and no.
—ܕͱϝιου͋Δ —ܧঝͳ͍
Javaͩͱ public class FooImpl implements Foo { @Override public void
hello() { // do something } }
Q.Why does Go not have generic types?
A. ෳࡶʹͳΔ͔Β
—ࠓޙՃ͞ΕΔՄೳੑ͋Δ —ศར͕ͩɺෳࡶ͞Λ࣋ͪࠐΉ
Javaͩͱ List<String> values = new ArrayList();
Q. Why does Go not have exceptions?
A. ෳࡶʹͳΔ͔Β
—ྫ֎Λ੍ޚߏʹ݁ͼ͚ΔͱɺෳࡶͳίʔυʹͳΔ —ී௨ͷΤϥʔΛྫ֎ʹͯ͠͠·͍͕ͪ —Defer, Panic, and Recover
Javaͩͱ —ݕࠪྫ֎ —ඇݕࠪྫ֎ —Error
❤ Go ❤ Java