Method getField

src/java/simpledb/storage/Tuple.java:94–100

@return the value of the ith field, or null if it has not been set. @param i field index to return. Must be a valid index.

(int i)

     *            field index to return. Must be a valid index.
     */
    public Field getField(int i) {
        // some code goes here
        if(i<0 || i>= this.fieldList.size()){
            return null;
        }
        return this.fieldList.get(i);
    }

    /**
     * Returns the contents of this Tuple as a string. Note that to pass the