path & classpath

how can i diffirentiate the path and class path in java

Hi

Path is normal cmd prompt command. using this commend u can located where the exe file is located.

for ex: if u have ur javac.exe file in C:\program file\java\jdk1.5.0\bin means

if u want to run this in any where of ur cmd prompt means u want set path=C:\program files\java\jdk1.5.0\bin

and classpath is used for when u compiling java program at the time u want to include some jar files using classpath u can include that file.

for example suppose if u want to compile one servlet file means u want to incluce that file like this.
javac -classpath=C:\program files\apache\tomcat5.0\common\lib\servelet-api.jar testservlet.java

suppose if u have more servlet file u want to compile all the file means u set the classpath using set classpath keyword in ur commend pronmpt like this

set classpath=C:\program files\apache\tomcat5.0\common\lib\servelet-api.jar

once u set like that means u can compile all program without mention the classpath in ur java commend. like this u can compile

javac testservlet.java

thnx bye if u have any doubt reply

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