question: public static String buildClasspathString ( List < String > classpathEntries ) { StringBuilder sb = new StringBuilder ( ) ; boolean needsSeparator = false ; for ( String classpathEntry : classpathEntries ) { if ( needsSeparator ) { sb . append ( File . pathSeparatorChar ) ; } needsSeparator = true ; sb . append ( classpathEntry ) ; } return sb . toString ( ) ; }
target:  Builds a classpath string with the correct separator from a list of paths.