Scope of knowledge involved

  • Java Collection Collection
  • Java Function Programing
  • Java multi-thread
  • Java GC
  • JVM
  • .

Suits the crowd

Have Java development experience, familiar with the above knowledge, and want to understand its source code and principles. 🌚

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Outline of the directory

  • Do you really understand Java Collection collections? – 2021.06.10
  • Confessions of ArrayList – 2021.06.16

Recently busy getting married, dove a wave, hope to forgive. After all, a pigeon can’t be bad. 🐦

  • Family members of ArrayList – 2021.08.18

  • Long time ago “Murder” caused by not understanding Map set

This article covers hashmaps prior to JDK 1.7, but I don’t want to write so many more. 😝

Strange knowledge

  • Weird fact: Are you still using StringBuilder to concatenate strings?
  • A code that resolves the address of a province