Spring boot - java - AWS

I need to get, merge and download two pdf file from s3 storage in spring boot or java... Basically how I need to merge two pdf after converting input steam then make single pdf as download.... Please suggest me.... Thanks in advance...

Comments

[Denys Shabelnyk]

1.Read first pdf using FileReader;

1. Read second file using FileReader;
2. Add content of second to the end of first. In my opinion it is first part of algorithm.