WHY JAVA ?

error: the unnamed module reads package com.google.thirdparty.publicsuffix from both selenium.server.standalone and guava error: the unnamed module reads package com.google.common.xml from both selenium.server.standalone and guava error: the unnamed module reads package com.google.common.util.concurrent from both selenium.server.standalone and guava error: the unnamed module reads package com.google.common.reflect from both selenium.server.standalone and guava error: the unnamed module reads package com.google.common.primitives from both selenium.server.standalone and guava error: the unnamed module reads package com.google.common.net from both selenium.server.standalone and guava error: the unnamed module reads package com.google.common.math from both selenium.server.standalone and guava error: the unnamed module reads package com.google.common.io from both selenium.server.standalone and guava error: the unnamed module reads package com.google.common.html from both selenium.se...

 [options] bootstrap class path not set in conjunction with -source 1.8

     Warning: java executable not found in JDK, evaluating java executable in RT instead.      Warning: java executable not found in JDK, evaluating java executable in RT instead.      Warning: java executable not found in JDK, evaluating java executable in RT instead.      error: modules are not supported in -source 1.8 java