question: public boolean isDecimalPoint ( ) { if ( m_decimalPoint == null ) { DecimalFormatSymbols dfs = new DecimalFormatSymbols ( m_locale ) ; m_decimalPoint = new Boolean ( dfs . getDecimalSeparator ( ) == '.' ) ; } return m_decimalPoint . booleanValue ( ) ; }
target:  Returns true if Decimal Point (not comma)