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PATHS FOR NEEDED INTO PROGRAMMING ON SERVLET USING APPPACHE TOMCAT 9.0.4

set a 5 path FOR IF YOU WANT TO PROGRAMING IN SERVLET USING APPACHE TOMCAT 9.0.4 CATALINA_HOME: C:\Program Files\Apache Software Foundation\Tomcat 9.0 CLASSPATH: C:\Program Files\Apache Software Foundation\Tomcat 9.0\lib\servlet-api.jar JAVA_HOME: C:\Program Files\Java\jdk1.8.0_121\bin JRE_HOME: C:\Program Files\Java\jdk1.8.0_121\jre path: C:\Program Files\Java\jdk1.8.0_121\bin
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how HttpSession work

1)create a 3 page for session program 2)                 create 1 htmlpage 2 javapages(jp)                  1) first(jp) for set attribute and get parameter for html page        2)second(jp) for get attribute and session ID from first java page and display with HttpSession's object HTML PAGE: <html> <body> <form action="http://localhost:8080/session1" method="GET"> NAME:<input type=text name=txt1  placeholder="enter a name here"> <input type="submit" value="submit"> </form> </body> </html> FIRST JAVA PAGE SAVE AS session1.java : import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public class session1 extends HttpServlet { public void doGet(HttpServletRequest re1,HttpServletResponse re2) { try { re2.setContentType("text/html"); PrintWriter print=re2.get...
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