#CodeGym #Java JDK 是Java development kit 縮寫，我們需要安裝好這個開發套件 ... ... <看更多>

The JDKs are versioned and have their own directories, the jre directory just gets the latest version of Java (so if you only updated, ... ... <看更多>

See https://openjdk.java.net/ for more information about the OpenJDK Community and the JDK. ... <看更多>