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。

Transcript

1. Java԰͞Μ͕GoͷFAQΛ ಡΜͰΈͨ 2018/12/03 Gopherಓ৔#4 ଔۀࣜˍLTେձ
2. ࣗݾ঺հ —@su_kun_1899 —αʔόαΠυΤϯδχΞ —Java԰ —࠷ۙ͸΋ͬͺΒKotlin —Go͸·ͩझຯ
3. ࿩͢͜ͱ —GoͷFAQ —https://golang.org/doc/faq
4. Q. What's the origin of the gopher mascot? https://golang.org/doc/gopher/run.png
5. A. ϗϦωζϛͰ͢ https://upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Pocket-GopherAno-Nuevo-SP.jpg/1084px-Pocket-GopherAno-Nuevo-SP.jpg
6. —஍Լʹ޿େͳτϯωϧΛ۷Δ —ϛωιλभͷѪশͷͻͱͭ͸ɺ"the Gopher State" —ϧωɾϑϨϯνͱ͍͏ਓ͕ॻ͍ͨ
7. Javaͩͱ https://upload.wikimedia.org/wikipedia/commons/thumb/4/45/Duke3D.png/440px-Duke3D.png
8. Q. Is Go an object-oriented language?
9. A. Yes and no.
10. —ܕͱϝιου͸͋Δ —ܧঝ͸ͳ͍
11. Javaͩͱ public class FooImpl implements Foo { @Override public void hello() { // do something } }
12. Q.Why does Go not have generic types?
13. A. ෳࡶʹͳΔ͔Β
14. —ࠓޙ௥Ճ͞ΕΔՄೳੑ͸͋Δ —ศར͕ͩɺෳࡶ͞Λ࣋ͪࠐΉ
15. Javaͩͱ List<String> values = new ArrayList();
16. Q. Why does Go not have exceptions?
17. A. ෳࡶʹͳΔ͔Β
18. —ྫ֎Λ੍ޚߏ଄ʹ݁ͼ෇͚ΔͱɺෳࡶͳίʔυʹͳΔ —ී௨ͷΤϥʔΛྫ֎ʹͯ͠͠·͍͕ͪ —Defer, Panic, and Recover
19. Javaͩͱ —ݕࠪྫ֎ —ඇݕࠪྫ֎ —Error
20. ❤ Go ❤ Java