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[JAVA] Create/Delete/Check Java Cookies

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//  Create a cookie public void setCookie(HttpServletResponse res,String value){     Cookie cookie = new Cookie(" Cookies I want to create  ID", value); //  Create a cookie by naming it ( key, value )     cookie.setMaxAge(60*60*24); //  Cookie expiration date: set to one day (60 seconds  * 60 minute  * 24 hour )     cookie.setPath("/"); //  Make it accessible from all paths     res.addCookie(cookie); //response에 Cookie add } ​//  Get Cookies public String getCookie(HttpServletRequest req){     Cookie[] cookies=req.getCookies(); //  Get all cookies     if(cookies!=null){         for (Cookie c : cookies) {             String name = c.getName(); //  Get cookie name             String value = c.getValue(); //  Get cookie value             if (name.equals(" Cookies I'm L...