112113114115116117118119120121122
throw new IllegalArgumentException( "Given name may not be null." ); if ( this.propertiesMap == null ) return false; Property property = this.propertiesMap.remove( name ); if ( property == null ) return false; return true; }
147148149150151152153154155156
return null; if ( this.propertiesMap == null ) return null; Property property = this.propertiesMap.get( name ); if ( property == null ) return null; return property.getValue(); }