I recently read in a book on a Java-based technology that one can determine if the JDK is installed by running java -version and looking for the the Strings "Client" or "Server" in the output of ...

Set JAVA_HOME as the environment variable name. Set the location of the JDK installation as the environment variable Value. Click OK and close the JAVA_HOME environment variable editor. Remember that ...

The first way is to download and install the JRE, which is a Java runtime environment and nothing else. The second way is to download and install the JDK, which provides both a Java runtime along with ...