How to communicate from java to excel?

I need to pass data from java to excel such that it'll create a report.
It should be able to handle images also. ie.
I have a form which contains some data.
I need to read the data from the form and export the data - in the same format in the form - to MSexcel. I should be able to put the data in specific cells of MSexcel.
Please help.

example:
out.print("Line1");
out.print(",col2");
out.print(",col3");
out.println("");
out.print("col1 - line2");
...

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