public IntPtg(RecordInputStream in) 
{
  
        this(in.readUShort());
}

 public IntPtg(int value) 
{
        if(!isInRange(value)) {
            throw new IllegalArgumentException("value is out of range: " + value);
        }
        field_1_value = value;
}

 public int getSize() 
{
        return SIZE;
}

 public int getValue() 
{
        return field_1_value;
}

 public static boolean isInRange(int i) 
{
    
        return i >=MIN_VALUE && i < =MAX_VALUE;
}

Excel represents integers 0..65535 with the tInt token.

 public String toFormulaString(HSSFWorkbook book) 
{
        return String.valueOf(getValue());
}

 public String toString() 
{
        StringBuffer sb = new StringBuffer(64);
        sb.append(getClass().getName()).append(" [");
        sb.append(field_1_value);
        sb.append("]");
        return sb.toString();
}

 public  void writeBytes(byte[] array,
    int offset) 
{
        array[ offset + 0 ] = sid;
        LittleEndian.putUShort(array, offset + 1, getValue());
}