REM modified JAVA_HOME enviroments : %JAVA_HOME_8%,

REM modified JAVA_HOME environments: %JAVA_HOME_8%

In Java, the JAVA_HOME environment variable is used to specify the location of the Java Development Kit (JDK) installation directory. It is commonly used by various Java applications and tools to locate the JDK.

The "REM" keyword in the given statement is used in batch files (Windows command prompt) to add comments. It indicates that the following line is a comment and will not be executed as a command.

So, the statement "REM modified JAVA_HOME environments: %JAVA_HOME_8%" suggests that the JAVA_HOME environment variable has been modified or customized to point to a specific JDK installation directory represented by %JAVA_HOME_8%.

However, without further information, it is not possible to determine the exact purpose or configuration details of %JAVA_HOME_8%. It could be a user-defined variable specific to a particular system or application.