How can I compress images using java?

Question

From pagespeed I am getting only image link and possible optimizations in bytes & percentage like, Compressing and resizing https://example.com/…ts/xyz.jpg?036861 could

Answer 1

As a solution for this problem I can recommend the API of TinyPNG.
You can use it for compressing as well as resizing the image.

Documentation: tinypng.com/developers/reference/java