How to use Date in Velocity in java

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Today's date is: $date
Today's date is also: $date.long #* using property shortcut *#
Today's date is also: $date.get('long') #* using full syntax *#
The date and time is: $date.default $date.short

Another date is: $aDate
Another date is also: $date.format('medium', $aDate)

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import java.io.StringWriter;
import java.io.Writer;
import java.util.Calendar;
import java.util.TimeZone;

import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.Velocity;
import org.apache.velocity.tools.generic.DateTool;

public class DateToolExample {

public static void main(String[] args) throws Exception {
Velocity.init();

Template t = Velocity.getTemplate("./src/dateTool.vm");

VelocityContext ctx = new VelocityContext();
ctx.put("date", new DateTool());

Calendar aDate = Calendar.getInstance(TimeZone.getTimeZone("PST"));
aDate.set(200, 11, 25);

ctx.put("aDate", aDate);

Writer writer = new StringWriter();
t.merge(ctx, writer);

System.out.println(writer);
}
}