Before sending the data to the browser, use the following code:
response.setHeader("Cache-Control","no-store");
response.setHeader ("Pragma","no-cache");
response.setDateHeader ("Expires", 0);
response.setHeader ("Pragma","no-cache");
response.setDateHeader ("Expires", 0);
This also helps in case, when user should not be able to see previous pages by clicking the Back button in the browser.
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