public java.util.List<String> getColumnNames() {
        return columnNames;
    }
<p>
The list of column names for the table. At least one of <code>ColumnNames</code> or <code>ColumnWildcard</code>
is required.
</p>

@return The list of column names for the table. At least one of <code>ColumnNames</code> or
        <code>ColumnWildcard</code> is required.
aws-java-sdk-lakeformation/src/main/java/com/amazonaws/services/lakeformation/model/TableWithColumnsResource.java