Which java library to work with images it is better to use in spring?

There is a project based on spring boot. There is a need to accept from the user of the image to process and send to Amazon S3. Tell me a fast and lightweight java library for working with images.
Interested in:
1. Resize
2. Overlay other images (logo)

It is desirable to do this without using temporary files in im4java.

Thank you.
July 2nd 19 at 17:16
2 answers
July 2nd 19 at 17:18
> Desirable to achieve this without using temporary files in im4java.

About ImageCommand

All command-classes subclass ImageCommand, which itself subclasses org.im4java.process.ProcessStarter. The latter class wraps the java.lang.ProcessBuilder handles input and output streams and supports asynchronous execution.

mana, as usual, rule.
July 2nd 19 at 17:20
Can you recommend ImageJ. Not tried it on overlay images on top of each other, but the rest cope with a Bang. Previously used imagemagic on a straight line, but needed to rid of him and ImageJ really helped us. Use in conjunction with ImageIO

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