of cause they are different
jdk: java developing kit
jsdk;java servlet developing kit
if you don't have jsdk,download servlet.jar
and complie your servlet source file like this;
javac -classpath <path of servlet.jar> <yourservlet.java>
jdk: java developing kit
jsdk;java servlet developing kit
if you don't have jsdk,download servlet.jar
and complie your servlet source file like this;
javac -classpath <path of servlet.jar> <yourservlet.java>
JSDK是java standard developing kit；
jrun里面就已经提供了SERVLET和JSP的环境了啊！！