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Last active January 7, 2020 04:53
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JAVA.md

A. JDK

  1. install jenv by brew install jenv, install gradle by brew install gradle
  2. list installed java jenv versions
  3. install jdk by brew cask install java
  4. list all installed jdk /usr/libexec/java_home -V
  5. add JDK to jenv by jenv add <path> (paths get from step 4). eg jenv add /Library/Java/JavaVirtualMachines/openjdk-11.0.2.jdk/Contents/Home
  6. set JDK used by jenv global <name> (name get from step 2)

B. GRADLE

  1. specify build errors by ./gradlew --scan. At this step we can know what errors occurred (usually is mismatch versions of lib or JDK)
  2. Modify gradle versions in distributionUrl in file gradle/gradle-wrapper.properties
  3. remove task wrapper(type: Wrapper) { gradleVersion = '3.3' } if gradle version > 5
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