question: public void fillFieldValues ( List < SynapseUpdateRule > ruleList ) { HebbianRule synapseRef = ( HebbianRule ) ruleList . get ( 0 ) ; if ( ! NetworkUtils . isConsistent ( ruleList , HebbianRule . class , "getLearningRate" ) ) { tfLearningRate . setText ( SimbrainConstants . NULL_STRING ) ; } else { tfLearningRate . setText ( Double . toString ( synapseRef . getLearningRate ( ) ) ) ; } }
target:  Populate fields with current data.