protected final void set(int pos, String value) {
        value = StringUtils.trimToNull(value);
        if (value != null)
            this.values.put(pos, value);
        else if (this.values.containsKey(pos))
            this.values.remove(pos);
    }
protected final void set(int pos, String value) {
        value = StringUtils.trimToNull(value);
        if (value != null)
            this.values.put(pos, value);
        else if (this.values.containsKey(pos))
            this.values.remove(pos);
    }
protected final void set ( int pos , String value ) { value = StringUtils . trimToNull ( value ) ; if ( value != null ) this . values . put ( pos , value ) ; else if ( this . values . containsKey ( pos ) ) this . values . remove ( pos ) ; }
Sets the value of this record at a certain index position.

@param pos   index position
@param value the value to set
Sets the value of this record at a certain index position .