Choose one of the automatically graded programming projects from

Chapter $13,$ Chapter $14,$ or Chapter $15$ of the Liang textbook. Implement the project that you have chosen and discuss any issues that arose in the process of completing it$.$ Include the Java code for your solution. Explain what lessons that you learned implementing that project. My program is below. can you please answer the second half of what it's asking for. lesson learned and issue that arose.

$($Convert decimals to fractions$)$