First Servlet Example

FirstServlet.java
public class FirstServlet implements javax.servlet.Servlet
{
public void init(javax.servlet.ServletConfig sc) throws javax.servlet.ServletException
{
System.out.println("In init");
}
public void service(javax.servlet.ServletRequest req,javax.servlet.ServletResponse res) throws javax.servlet.ServletException,java.io.IOException
{
System.out.println("In service");

java.io.PrintWriter out=res.getWriter();

out.println("Hello from First Servlet");
}
public void destroy()
{
System.out.println("In destroy");
}//destroy

public String getServletInfo()
{
return "FirstServlet";
}
public javax.servlet.ServletConfig getServletConfig()
{
//should return ServletConfig
return null;
}//getServletConfig

}//class

Calender Example in java

import java.util.Calendar;

public class CalendarExample
{
public static void main(String[] args)
{
Calendar cal = Calendar.getInstance();
int day = cal.get(Calendar.DATE);
int month = cal.get(Calendar.MONTH) + 1;
int year = cal.get(Calendar.YEAR);
int dow = cal.get(Calendar.DAY_OF_WEEK);
int dom = cal.get(Calendar.DAY_OF_MONTH);
int doy = cal.get(Calendar.DAY_OF_YEAR);

System.out.println("Current Date: " + cal.getTime());
System.out.println("Day: " + day);
System.out.println("Month: " + month);
System.out.println("Year: " + year);
System.out.println("Day of Week: " + dow);
System.out.println("Day of Month: " + dom);
System.out.println("Day of Year: " + doy);
}
}