how to run a java file using command prompt?

guys plz tell me the answer...


  • Anoop Kumar
    Anoop Kumar
    see this:
  • nareshkumar6539
    First you need to compile the java program by using the following command
    javac filename
    for executing below command is used
    java classname
    if u r java file name and classname is Demo
    for compiling javac
    for executing java Demo
    Note: before that you need to set class path
  • kamba giri
    kamba giri
    first of all you need to set class path in environment variables
    1.goto my computer-> system properties -> advanced system settings -> environment variables.
    2. in the environment variables menu in the first box you need to set the path of the java i.e., jdk path
    ex:- .;C:\Program Files (x86)\Java\jdk1.6.0\bin;
    and then okk..
    3. now you can compile and execute the java program as mentioned by nareshkumar..

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