To understand spring rest multipart file upload examples in Java, I will try to explain with different examples where you can upload a single file in many ways, upload a list of files, upload as an object or upload a list of objects containing images from Postman. Example 8: Spring boot multipart file upload example as a list of objects.Example 7: Spring boot multipart file upload example as an object.Example 6: Spring boot multiple files upload example as a List.Example 2: Spring boot multipart file upload example with Example 3: Spring boot multipart file upload example with Example 4: Spring boot multipart file upload example with Example 5: Spring boot multiple files upload example as an Array.Example 1: Spring boot multipart file upload example.