Java/Kotlin: Tutorial

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related:

kotlin:

• ✅ #418
• ✅ #419
• ✅ #290

flutter:

• ✅ #245 : flutter native 插件
• ✅ #242 : dart ffi

搭建开发环境:

• ✅ #201 : nodejs 开发环境搭建
• ✅ #216 : flutter 开发环境搭建
• ✅ #330 : macbook 初始化

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Java:

安装:

• https://dev.to/gabethere/installing-java-on-a-mac-using-homebrew-and-jevn-12m8
• https://devqa.io/brew-install-java/
• https://www.cnblogs.com/imzhizi/p/macos-jdk-installation-homebrew.html
• 安装指定版本:

mac 下:

brew tap adoptopenjdk/openjdk

brew cask install adoptopenjdk8
brew cask install adoptopenjdk11
brew cask install adoptopenjdk13

• 指定env版本:

export JAVA_8_HOME=$(/usr/libexec/java_home -v1.8)
export JAVA_11_HOME=$(/usr/libexec/java_home -v11)

alias java8='export JAVA_HOME=$JAVA_8_HOME'
alias java11='export JAVA_HOME=$JAVA_11_HOME'

# default to Java 11
java11

• 安装 JAVA 版本工具: jenv

# 版本管理工具: 
brew install jenv 

$ echo 'export PATH="$HOME/.jenv/bin:$PATH"' >> ~/.bash_profile
$ echo 'eval "$(jenv init -)"' >> ~/.bash_profile

$ echo 'export PATH="$HOME/.jenv/bin:$PATH"' >> ~/.zshrc
$ echo 'eval "$(jenv init -)"' >> ~/.zshrc

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Kotlin:

安装:

• https://www.runoob.com/kotlin/kotlin-command-line.html

$ brew update
$ brew install kotlin

Android Studio 配置:

• https://www.runoob.com/kotlin/otlin-android-setup.html

基本语法:

• https://www.runoob.com/kotlin/kotlin-basic-syntax.html

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