public ColumnStatisticsTaskRun withColumnNameList(String... columnNameList) {
        if (this.columnNameList == null) {
            setColumnNameList(new java.util.ArrayList<String>(columnNameList.length));
        }
        for (String ele : columnNameList) {
            this.columnNameList.add(ele);
        }
        return this;
    }
<p>
A list of the column names. If none is supplied, all column names for the table will be used by default.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setColumnNameList(java.util.Collection)} or {@link #withColumnNameList(java.util.Collection)} if you want
to override the existing values.
</p>

@param columnNameList
       A list of the column names. If none is supplied, all column names for the table will be used by default.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-glue/src/main/java/com/amazonaws/services/glue/model/ColumnStatisticsTaskRun.java