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younghwani/EffectiveJavaStudy

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๐Ÿ“™ Effective-Java Study

๐Ÿ“„ ์ง„ํ–‰๋ฐฉ์‹

  • Effective Java ์„œ์ ์„ ์ฝ๊ณ  ์ •๋ฆฌํ•œ ๋‚ด์šฉ ์—…๋กœ๋“œ
  • ๋งค์ผ ์•„์ดํ…œ 3๊ฐœ์”ฉ ํ•™์Šตํ•˜๊ธฐ
  • ๋„ค์ด๋ฐ ๊ทœ์น™ : ex) ์•„์ดํ…œ02_์ƒ์„ฑ์ž ๋Œ€์‹  ์ •์  ํŒฉํ„ฐ๋ฆฌ ๋ฉ”์„œ๋“œ๋ฅผ ๊ณ ๋ คํ•˜๋ผ_์ด๋ฆ„

๐Ÿ“— Study

์•„์ดํ…œ ๊น€์˜ํ™˜ ์œ ์ผ๊ถŒ ์ตœ์ฃผํฌ ๋ชจ์ˆ˜ํ˜
03/03 01.์ƒ์„ฑ์ž ๋Œ€์‹  ์ •์  ํŒฉํ„ฐ๋ฆฌ ๋ฉ”์„œ๋“œ๋ฅผ ๊ณ ๋ คํ•˜๋ผ ๐ŸŸก ๐ŸŸก ๐ŸŸก ๐ŸŸก
03/03 02.์ƒ์„ฑ์ž์— ๋งค๊ฐœ๋ณ€์ˆ˜๊ฐ€ ๋งŽ๋‹ค๋ฉด ๋นŒ๋”๋ฅผ ๊ณ ๋ คํ•˜๋ผ ๐ŸŸก ๐ŸŸก ๐ŸŸก ๐ŸŸก
03/03 03.private ์ƒ์„ฑ์ž๋‚˜ ์—ด๊ฑฐ ํƒ€์ž…์œผ๋กœ ์‹ฑ๊ธ€ํ„ด์ž„์„ ๋ณด์ฆํ•˜๋ผ ๐ŸŸก ๐ŸŸก ๐ŸŸก ๐ŸŸก
03/04 04. ์ธ์Šคํ„ด์Šคํ™”๋ฅผ ๋ง‰์œผ๋ ค๊ฑฐ๋“  private ์ƒ์„ฑ์ž๋ฅผ ์‚ฌ์šฉํ•˜๋ผ ๐ŸŸก ๐ŸŸก ๐ŸŸก ๐ŸŸก
03/04 05. ์ž์›์„ ์ง์ ‘ ๋ช…์‹œํ•˜์ง€ ๋ง๊ณ  ์˜์กด ๊ฐ์ฒด ์ฃผ์ž…์„ ์‚ฌ์šฉํ•˜๋ผ ๐ŸŸก ๐ŸŸก ๐ŸŸก
03/04 06. ๋ถˆํ•„์š”ํ•œ ๊ฐ์ฒด ์ƒ์„ฑ์„ ํ”ผํ•˜๋ผ ๐ŸŸก ๐ŸŸก ๐ŸŸก
03/07 07. ๋‹ค ์“ด ๊ฐ์ฒด ์ฐธ์กฐ๋ฅผ ํ•ด์ œํ•˜๋ผ ๐Ÿ˜€ ๐Ÿ˜ฌ ๐Ÿ˜Ž
03/07 08. finalizer์™€ cleaner ์‚ฌ์šฉ์„ ํ”ผํ•˜๋ผ ๐Ÿง ๐Ÿ˜ฌ ๐Ÿ˜Ž
03/07 09. try-finally ๋ณด๋‹ค๋Š” try-with-resources๋ฅผ ์‚ฌ์šฉํ•˜๋ผ ๐ŸŸข ๐Ÿ˜ฌ ๐Ÿ˜Ž
03/08 10. equals๋Š” ์ผ๋ฐ˜ ๊ทœ์•ฝ์„ ์ง€์ผœ ์žฌ์ •์˜ํ•˜๋ผ ๐Ÿ•‘ ๐Ÿฅฑ ๐Ÿ˜Š
03/08 11. equals๋ฅผ ์žฌ์ •์˜ํ•˜๋ ค๊ฑฐ๋“  hashCode๋„ ์žฌ์ •์˜ํ•˜๋ผ ๐Ÿ”ต ๐Ÿฅฑ ๐Ÿ˜„
03/08 12. toString์„ ํ•ญ์ƒ ์žฌ์ •์˜ํ•˜๋ผ ๐Ÿ˜œ ๐Ÿฅฑ ๐Ÿค“
03/10 13. clone ์žฌ์ •์˜๋Š” ์ฃผ์˜ํ•ด์„œ ์ง„ํ–‰ํ•˜๋ผ ๐Ÿ˜‹ ๐Ÿค“
03/10 14. Comparable์„ ๊ตฌํ˜„ํ• ์ง€ ๊ณ ๋ คํ•˜๋ผ ๐Ÿ™ƒ ๐Ÿค“
03/10 15. ํด๋ž˜์Šค์™€ ๋ฉค๋ฒ„์˜ ์ ‘๊ทผ ๊ถŒํ•œ์„ ์ตœ์†Œํ™”ํ•˜๋ผ ๐Ÿคญ ๐Ÿค“
03/11 16. public ํด๋ž˜์Šค์—์„œ๋Š” public ํ•„๋“œ๊ฐ€ ์•„๋‹Œ ์ ‘๊ทผ์ž ๋ฉ”์„œ๋“œ๋ฅผ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿ˜ธ ๐Ÿค“
03/11 17. ๋ณ€๊ฒฝ ๊ฐ€๋Šฅ์„ฑ์„ ์ตœ์†Œํ™”ํ•˜๋ผ ๐ŸŽƒ ๐Ÿค“
03/11 18. ์ƒ์†๋ณด๋‹ค๋Š” ์ปดํฌ์ง€์…˜์„ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿ˜ธ ๐Ÿค“
03/15 19. ์ƒ์†์„ ๊ณ ๋ คํ•ด ์„ค๊ณ„ํ•˜๊ณ  ๋ฌธ์„œํ™”ํ•˜๋ผ. ๊ทธ๋Ÿฌ์ง€ ์•Š์•˜๋‹ค๋ฉด ์ƒ์†์„ ๊ธˆ์ง€ํ•˜๋ผ ๐Ÿ•ต๏ธ ๐Ÿ˜Š
03/15 20. ์ถ”์ƒ ํด๋ž˜์Šค๋ณด๋‹ค๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์šฐ์„ ํ•˜๋ผ ๐Ÿœ ๐Ÿ˜†
03/15 21. ์ธํ„ฐํŽ˜์ด์Šค๋Š” ๊ตฌํ˜„ํ•˜๋Š” ์ชฝ์„ ์ƒ๊ฐํ•ด ์„ค๊ณ„ํ•˜๋ผ ๐Ÿฃ โ˜บ๏ธ
03/16 22. ์ธํ„ฐํŽ˜์ด์Šค๋Š” ํƒ€์ž…์„ ์ •์˜ํ•˜๋Š” ์šฉ๋„๋กœ๋งŒ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿ™ ๐Ÿฏ
03/16 23. ํƒœ๊ทธ ๋‹ฌ๋ฆฐ ํด๋ž˜์Šค๋ณด๋‹ค๋Š” ํด๋ž˜์Šค ๊ณ„์ธต๊ตฌ์กฐ๋ฅผ ํ™œ์šฉํ•˜๋ผ ๐Ÿฆ• ๐Ÿถ
03/16 24. ๋ฉค๋ฒ„ ํด๋ž˜์Šค๋Š” ๋˜๋„๋ก static์œผ๋กœ ๋งŒ๋“ค๋ผ ๐Ÿณ ๐Ÿป
03/17 25. ํ†ฑ๋ ˆ๋ฒจ ํด๋ž˜์Šค๋Š” ํ•œ ํŒŒ์ผ์— ํ•˜๋‚˜๋งŒ ๋‹ด์œผ๋ผ ๐Ÿฟ ๐Ÿงžโ€โ™‚๏ธ
03/17 26. ๋กœ ํƒ€์ž…์€ ์‚ฌ์šฉํ•˜์ง€ ๋ง๋ผ ๐Ÿ• ๐Ÿงšโ€โ™€๏ธ
03/17 27. ๋น„๊ฒ€์‚ฌ ๊ฒฝ๊ณ ๋ฅผ ์ œ๊ฑฐํ•˜๋ผ ๐ŸŒ ๐Ÿน
03/18 28. ๋ฐฐ์—ด๋ณด๋‹ค๋Š” ๋ฆฌ์ŠคํŠธ๋ฅผ ์‚ฌ์šฉํ•˜๋ผ โ˜ƒ๏ธ ๐Ÿฆ‹
03/18 29. ์ด์™•์ด๋ฉด ์ œ๋„ค๋ฆญ ํƒ€์ž…์œผ๋กœ ๋งŒ๋“ค๋ผ ๐ŸŒˆ ๐ŸŒ
03/18 30. ์ด์™•์ด๋ฉด ์ œ๋„ค๋ฆญ ๋ฉ”์„œ๋“œ๋กœ โญ๏ธ ๐Ÿฆ„
03/22 31. ํ•œ์ •์  ์™€์ผ๋“œ์นด๋“œ๋ฅผ ์‚ฌ์šฉํ•ด API ์œ ์—ฐ์„ฑ์„ ๋†’์ด๋ผ ๐ŸŽฑ ๐Ÿ‡ฐ๐Ÿ‡ท
03/22 32. ์ œ๋„ค๋ฆญ๊ณผ ๊ฐ€๋ณ€์ธ์ˆ˜๋ฅผ ํ•จ๊ป˜ ์“ธ ๋•Œ๋Š” ์‹ ์ค‘ํ•˜๋ผ ๐Ÿ“ฌ ๐Ÿฅบ
03/22 33. ํƒ€์ž… ์•ˆ์ „ ์ด์ข… ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๊ณ ๋ คํ•˜๋ผ ๐ŸŒ ๐Ÿฅธ
03/23 34. int ์ƒ์ˆ˜ ๋Œ€์‹  ์—ด๊ฑฐ ํƒ€์ž…์„ ์‚ฌ์šฉํ•˜๋ผ โšฝ๏ธ ๐Ÿ‹
03/23 35. ordinal ๋ฉ”์„œ๋“œ ๋Œ€์‹  ์ธ์Šคํ„ด์Šค ํ•„๋“œ๋ฅผ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿบ ๐Ÿฆ€
03/23 36. ๋น„ํŠธ ํ•„๋“œ ๋Œ€์‹  EnumSet์„ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿข ๐Ÿ™
03/25 37. ordinal ์ธ๋ฑ์‹ฑ ๋Œ€์‹  EnumMap์„ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿค ๐Ÿท
03/25 38. ํ™•์žฅํ•  ์ˆ˜ ์žˆ๋Š” ์—ด๊ฑฐ ํƒ€์ž…์ด ํ•„์š”ํ•˜๋ฉด ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•˜๋ผ ๐ŸŒฑ ๐Ÿ‘ผ
03/25 39. ๋ช…๋ช… ํŒจํ„ด๋ณด๋‹ค ์• ๋„ˆํ…Œ์ด์…˜์„ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿฅ ๐Ÿข ๐ŸŒธ
03/28 40. @Override ์• ๋„ˆํ…Œ์ด์…˜์„ ์ผ๊ด€๋˜๊ฒŒ ์‚ฌ์šฉํ•˜๋ผ ๐ŸŸ ๐Ÿ”
03/28 41. ์ •์˜ํ•˜๋ ค๋Š” ๊ฒƒ์ด ํƒ€์ž…์ด๋ผ๋ฉด ๋งˆ์ปค ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿฃ ๐Ÿซฅ
03/28 42. ์ต๋ช… ํด๋ž˜์Šค๋ณด๋‹ค๋Š” ๋žŒ๋‹ค๋ฅผ ์‚ฌ์šฉํ•˜๋ผ โ˜•๏ธ ๐ŸŽƒ
03/30 43. ๋žŒ๋‹ค๋ณด๋‹ค๋Š” ๋ฉ”์„œ๋“œ ์ฐธ์กฐ๋ฅผ ์‚ฌ์šฉํ•˜๋ผ ๐ŸŽง ๐Ÿ˜ˆ
03/30 44. ํ‘œ์ค€ ํ•จ์ˆ˜ํ˜• ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•˜๋ผ ๐ŸŽน ๐Ÿ‘ฝ
03/30 45. ์ŠคํŠธ๋ฆผ์€ ์ฃผ์˜ํ•ด์„œ ์‚ฌ์šฉํ•˜๋ผ ๐ŸŽฒ ๐ŸŽ…
03/31 46. ์ŠคํŠธ๋ฆผ์—์„œ๋Š” ๋ถ€์ž‘์šฉ ์—†๋Š” ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•˜๋ผ โŒš๏ธ โœ๏ธ
03/31 47. ๋ฐ˜ํ™˜ ํƒ€์ž…์œผ๋กœ๋Š” ์ŠคํŠธ๋ฆผ๋ณด๋‹ค ์ปฌ๋ ‰์…˜์ด ๋‚ซ๋‹ค ๐Ÿ“ฑ ๐Ÿ‘ฉโ€๐Ÿฆฐ
03/31 48. ์ŠคํŠธ๋ฆผ ๋ณ‘๋ ฌํ™”๋Š” ์ฃผ์˜ํ•ด์„œ ์ ์šฉํ•˜๋ผ ๐Ÿ’พ ๐Ÿ‘€
04/01 49. ๋งค๊ฐœ๋ณ€์ˆ˜๊ฐ€ ์œ ํšจํ•œ์ง€ ๊ฒ€์‚ฌํ•˜๋ผ ๐Ÿฌ ๐Ÿˆ
04/01 50. ์ ์‹œ์— ๋ฐฉ์–ด์  ๋ณต์‚ฌ๋ณธ์„ ๋งŒ๋“ค๋ผ ๐Ÿ ๐Ÿฆฎ
04/01 51. ๋ฉ”์„œ๋“œ ์‹œ๊ทธ๋‹ˆ์ฒ˜๋ฅผ ์‹ ์ค‘ํžˆ ์„ค๊ณ„ํ•˜๋ผ ๐Ÿฆ‰ ๐Ÿ‡
04/04 52. ๋‹ค์ค‘์ •์˜๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿฆ” ๐Ÿฟ
04/04 53. ๊ฐ€๋ณ€์ธ์ˆ˜๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•˜๋ผ ๐ŸŒด ๐Ÿ’
04/04 54. null์ด ์•„๋‹Œ, ๋นˆ ์ปฌ๋ ‰์…˜์ด๋‚˜ ๋ฐฐ์—ด์„ ๋ฐ˜ํ™˜ํ•˜๋ผ ๐Ÿž ๐Ÿฑ
04/05 55. ์˜ต์…”๋„ ๋ฐ˜ํ™˜์€ ์‹ ์ค‘ํžˆ ํ•˜๋ผ ๐Ÿ ๐Ÿ—
04/05 56. ๊ณต๊ฐœ๋œ API ์š”์†Œ์—๋Š” ํ•ญ์ƒ ๋ฌธ์„œํ™” ์ฃผ์„์„ ์ž‘์„ฑํ•˜๋ผ ๐ŸŒฝ ๐Ÿ†
04/05 57. ์ง€์—ญ๋ณ€์ˆ˜์˜ ๋ฒ”์œ„๋ฅผ ์ตœ์†Œํ™”ํ•˜๋ผ ๐Ÿฉ ๐ŸŽผ
04/06 58. ์ „ํ†ต์ ์ธ for ๋ฌธ๋ณด๋‹ค๋Š” for-each ๋ฌธ์„ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿ›ž ๐Ÿฆ‰
04/06 59. ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์ตํžˆ๊ณ  ์‚ฌ์šฉํ•˜๋ผ ๐Ÿš† ๐Ÿธ
04/06 60. ์ •ํ™•ํ•œ ๋‹ต์ด ํ•„์š”ํ•˜๋‹ค๋ฉด float๊ณผ double์€ ํ”ผํ•˜๋ผ ๐Ÿš  ๐Ÿ–
04/07 61. ๋ฐ•์‹ฑ๋œ ๊ธฐ๋ณธ ํƒ€์ž…๋ณด๋‹ค๋Š” ๊ธฐ๋ณธ ํƒ€์ž…์„ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿฅ— ๐ŸŽ€
04/07 62. ๋‹ค๋ฅธ ํƒ€์ž…์ด ์ ์ ˆํ•˜๋‹ค๋ฉด ๋ฌธ์ž์—ด ์‚ฌ์šฉ์„ ํ”ผํ•˜๋ผ ๐Ÿฅƒ ๐Ÿช
04/07 63. ๋ฌธ์ž์—ด ์—ฐ๊ฒฐ์€ ๋Š๋ฆฌ๋‹ˆ ์ฃผ์˜ํ•˜๋ผ ๐Ÿญ ๐Ÿฆ
04/08 64. ๊ฐ์ฒด๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด ์ฐธ์กฐํ•˜๋ผ ๐Ÿข ๐Ÿ˜ฉ
04/08 65. ๋ฆฌํ”Œ๋ ‰์…˜๋ณด๋‹ค๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿคฅ ๐Ÿง›๐Ÿผโ€โ™‚๏ธ
04/08 66. ๋„ค์ดํ‹ฐ๋ธŒ ๋ฉ”์„œ๋“œ๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿ’ ๐ŸŒš
04/11 67. ์ตœ์ ํ™”๋Š” ์‹ ์ค‘ํžˆ ํ•˜๋ผ ๐Ÿ’ผ ๐Ÿ”ฅ
04/11 68. ์ผ๋ฐ˜์ ์œผ๋กœ ํ†ต์šฉ๋˜๋Š” ๋ช…๋ช… ๊ทœ์น™์„ ๋”ฐ๋ฅด๋ผ ๐Ÿ‘‘ ๐Ÿฅจ
04/11 69. ์˜ˆ์™ธ๋Š” ์ง„์งœ ์˜ˆ์™ธ ์ƒํ™ฉ์—๋งŒ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿช– ๐Ÿฎ
04/13 70. ๋ณต๊ตฌํ•  ์ˆ˜ ์žˆ๋Š” ์ƒํ™ฉ์—๋Š” ๊ฒ€์‚ฌ ์˜ˆ์™ธ๋ฅผ, ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์˜ค๋ฅ˜์—๋Š” ๋Ÿฐํƒ€์ž„ ์˜ˆ์™ธ๋ฅผ ์‚ฌ์šฉํ•˜๋ผ ๐ŸŒŸ ๐ŸŽฉ
04/13 71. ํ•„์š” ์—†๋Š” ๊ฒ€์‚ฌ ์˜ˆ์™ธ ์‚ฌ์šฉ์€ ํ”ผํ•˜๋ผ ๐ŸŒง ๐ŸฆŠ
04/13 72. ํ‘œ์ค€ ์˜ˆ์™ธ๋ฅผ ์‚ฌ์šฉํ•˜๋ผ โ˜€๏ธ ๐ŸŒ
04/14 73. ์ถ”์ƒํ™” ์ˆ˜์ค€์— ๋งž๋Š” ์˜ˆ์™ธ๋ฅผ ๋˜์ง€๋ผ โšก๏ธ ๐Ÿซง
04/14 74. ๋ฉ”์„œ๋“œ๊ฐ€ ๋˜์ง€๋Š” ๋ชจ๋“  ์˜ˆ์™ธ๋ฅผ ๋ฌธ์„œํ™”ํ•˜๋ผ ๐Ÿ‡ ๐Ÿช
04/14 75. ์˜ˆ์™ธ์˜ ์ƒ์„ธ ๋ฉ”์‹œ์ง€์— ์‹คํŒจ ๊ด€๋ จ ์ •๋ณด๋ฅผ ๋‹ด์œผ๋ผ ๐ŸŒฎ ๐Ÿ”
04/15 76. ๊ฐ€๋Šฅํ•œ ํ•œ ์‹คํŒจ ์›์ž์ ์œผ๋กœ ๋งŒ๋“ค๋ผ ๐Ÿณ ๐Ÿฅณ
04/15 77. ์˜ˆ์™ธ๋ฅผ ๋ฌด์‹œํ•˜์ง€ ๋ง๋ผ ๐Ÿ• ๐Ÿ‘ป
04/15 78. ๊ณต์œ  ์ค‘์ธ ๊ฐ€๋ณ€ ๋ฐ์ดํ„ฐ๋Š” ๋™๊ธฐํ™”ํ•ด ์‚ฌ์šฉํ•˜๋ผ ๐Ÿ›ฐ ๐Ÿค–
04/18 79. ๊ณผ๋„ํ•œ ๋™๊ธฐํ™”๋Š” ํ”ผํ•˜๋ผ ๐Ÿธ ๐Ÿ˜ช
04/18 80. ์Šค๋ ˆ๋“œ๋ณด๋‹ค๋Š” ์‹คํ–‰์ž, ํƒœ์Šคํฌ, ์ŠคํŠธ๋ฆผ์„ ์• ์šฉํ•˜๋ผ ๐Ÿฆ ๐Ÿงœโ€โ™€๏ธ
04/18 81. wait์™€ notify๋ณด๋‹ค๋Š” ๋™์‹œ์„ฑ ์œ ํ‹ธ๋ฆฌํ‹ฐ๋ฅผ ์• ์šฉํ•˜๋ผ ๐ŸŽป ๐Ÿ•ถ
04/19 82. ์Šค๋ ˆ๋“œ ์•ˆ์ „์„ฑ ์ˆ˜์ค€์„ ๋ฌธ์„œํ™”ํ•˜๋ผ ๐Ÿง— ๐Ÿ™
04/19 83. ์ง€์—ฐ ์ดˆ๊ธฐํ™”๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿšด ๐Ÿฆ’
04/19 84. ํ”„๋กœ๊ทธ๋žจ์˜ ๋™์ž‘์„ ์Šค๋ ˆ๋“œ ์Šค์ผ€์ค„๋Ÿฌ์— ๊ธฐ๋Œ€์ง€ ๋ง๋ผ ๐Ÿšต ๐Ÿฆ
04/20 85. ์ž๋ฐ” ์ง๋ ฌํ™”์˜ ๋Œ€์•ˆ์„ ์ฐพ์œผ๋ผ โœˆ๏ธ
04/20 86. Serializable์„ ๊ตฌํ˜„ํ• ์ง€๋Š” ์‹ ์ค‘ํžˆ ๊ฒฐ์ •ํ•˜๋ผ ๐Ÿ›ธ
04/20 87. ์ปค์Šคํ…€ ์ง๋ ฌํ™” ํ˜•ํƒœ๋ฅผ ๊ณ ๋ คํ•ด๋ณด๋ผ ๐Ÿš€
04/21 88. readObject ๋ฉ”์„œ๋“œ๋Š” ๋ฐฉ์–ด์ ์œผ๋กœ ์ž‘์„ฑํ•˜๋ผ ๐Ÿชฉ
04/21 89. ์ธ์Šคํ„ด์Šค ์ˆ˜๋ฅผ ํ†ต์ œํ•ด์•ผ ํ•œ๋‹ค๋ฉด readResolve๋ณด๋‹ค๋Š” ์—ด๊ฑฐ ํƒ€์ž…์„ ์‚ฌ์šฉํ•˜๋ผ ๐Ÿ“ฆ
04/21 90. ์ง๋ ฌํ™”๋œ ์ธ์Šคํ„ด์Šค ๋Œ€์‹  ์ง๋ ฌํ™” ํ”„๋ก์‹œ ์‚ฌ์šฉ์„ ๊ฒ€ํ† ํ•˜๋ผ ๐Ÿฅ‡
04/22 The End!!!! ๐Ÿ‘‹ ๐Ÿ™Œ ๐Ÿ‘๐Ÿผ ๐Ÿ‘

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