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README.md

[μ•„μ΄ν…œ 70] 볡ꡬ할 수 μžˆλŠ” μƒν™©μ—λŠ” 검사 μ˜ˆμ™Έλ₯Ό, ν”„λ‘œκ·Έλž˜λ° 였λ₯˜μ—λŠ” λŸ°νƒ€μž„ μ˜ˆμ™Έλ₯Ό μ‚¬μš©ν•˜λΌ

μ˜ˆμ™Έμ²˜λ¦¬ (throwable, exception, error, throws)

  • μžλ°”μ˜ throwable νƒ€μž…
    • Checked Exception (검사 μ˜ˆμ™Έ)
    • Runtime Exception (λŸ°νƒ€μž„ μ˜ˆμ™Έ)
    • Error

class-diagram1

class-diagram2

검사 μ˜ˆμ™Έ (Checked Exception)

  • ν˜ΈμΆœν•˜λŠ” μͺ½μ—μ„œ λ³΅κ΅¬ν•΄μ•Όν•˜λ§Œ ν•˜λŠ” (catch ν•΄μ•Όλ§Œ ν•˜λŠ”) Exception
  • ν˜ΈμΆœν•˜λŠ” μͺ½μ΄ catch ν•˜κ±°λ‚˜, throws λ₯Ό 톡해 더 λ°”κΉ₯으둜 μ „νŒŒν•˜λ„λ‘ κ°•μ œ

비검사 μ˜ˆμ™Έ (Unchecked Exception; Error & Runtime Exception)

  • ν”„λ‘œκ·Έλž¨ 였λ₯˜; 볡ꡬ가 λΆˆκ°€λŠ₯ν•˜κ±°λ‚˜ 더 싀행봐야 얻을 게 μ—†μŒ
  • ν΄λΌμ΄μ–ΈνŠΈκ°€ API λͺ…μ„Έλ₯Ό μ œλŒ€λ‘œ μ§€ν‚€μ§€ μ•Šμ•˜μ„ κ²½μš°μ— λ°œμƒν•˜λŠ” μ˜ˆμ™Έ
  • Error 클래슀λ₯Ό μƒμ†ν•˜μ§€ 말고, RuntimeException의 ν•˜μœ„ 클래슀λ₯Ό ν™œμš©ν•˜λΌ
  • κ°€λŠ₯ν•œ μ˜ˆμ™Έ 상황을 λ²—μ–΄λ‚˜λŠ” 데 ν•„μš”ν•œ 정보λ₯Ό μ•Œλ €μ£ΌλŠ” λ©”μ„œλ“œλ₯Ό ν•¨κ»˜ μ œκ³΅ν•˜λΌ
    • μΉ΄λ“œ μž”κ³ κ°€ λΆ€μ‘±ν•œ μ˜ˆμ™Έκ°€ λ°œμƒν–ˆλ‹€λ©΄, μž”κ³ κ°€ μ–Όλ§ˆλ‚˜ λΆ€μ‘±ν•œμ§€ μ•Œλ €μ£ΌλŠ” λ©”μ„œλ“œκ°€ ν•„μš”ν•˜λ‹€.

Exception, RuntimeException, Error λ₯Ό μƒμ†ν•˜μ§€ μ•ŠλŠ” throwable 은 λ§Œλ“€μ§€ 말라!