question: public ClassPath ( ) { String syscp = System . getProperty ( "sun.boot.class.path" ) ; String envcp = System . getProperty ( "env.class.path" ) ; if ( envcp == null ) envcp = "." ; String cp = syscp + File . pathSeparator + envcp ; init ( cp ) ; }
target:  Build a default class path from the path strings specified by the properties sun.boot.class.path and env.class.path, in that order.