How to compile and run java program in windows 7

Follow the instructions to install the JDK. It is important to make note of the path of the JDK install. Create a central directory to hold all your Java files.

Click the Windows Start icon and search for System and hit enter. Select Advanced system settings on the left and then select Environment Variables. Under System variables scroll down to the variable Path. Hit Edit at the beginning of the Variable value. The compiler should be located in the JDK bin folder. Be sure to include a semi-colon at the end of the string you just added. Was this reply helpful? The process I described in the previous post, have Encountered problems.

So I have edited the post. I have tested the current process in my PC windows 8 pro WMC x64 and its running without any problem. I apologies for any problem you have faced after trying the previous process. It would be more help full if you create a system restore point before trying any trick described in the net.

If the current process encounters any problem please reply. Creating a Java application is an easy task. But you need to download JDK before running any Java application. Make sure that the name of the file should be the same as that of the public class. If the file doesn't have any public class, we can save it with any name, but after compilation, a bytecode file will be generated with the name of the class containing the main method. Step 3 Now, open the command prompt and open the directory in which we have saved our program by using the following command.

Step 5 After the code is compiled, it generates a bytecode file in the same folder having the. This is the file which is executed by the JRE. To run this file, use the following command. JavaTpoint offers too many high quality services. Mail us on [email protected] , to get more information about given services. Please mail your requirement at [email protected] Duration: 1 week to 2 week.

Java Main Method System. JavaScript Java vs. Kotlin Java vs. Next Topic Java Tutorial. Reinforcement Learning. R Programming. When I execute the java file after compiling, I see a message that says, "Error: couldn't find or load main class test. Isaac keeling. I would guess you have been trying to run with "java test. Not Helpful 30 Helpful How do I run a java program when the command prompt shows that the saved file is not found?

Either you don't have java jdk on your system or the file does not exist. Not Helpful 10 Helpful 5. What command will be given at the command prompt instead of "CD desktop" if I had saved my Java programs in a folder not present on the desktop? This depends entirely upon where you saved your Java programs.

If any component of the folder path has one or more non alpha-numeric characters i. Not Helpful 5 Helpful 1. Include your email address to get a message when this question is answered. Again, it is important that you have the Java JDK downloaded and installed on your computer. Helpful 0 Not Helpful 0. Submit a Tip All tip submissions are carefully reviewed before being published. You Might Also Like How to.

How to. Co-authors: Updated: July 11, Categories: Java. Article Summary X 1. Nederlands: Een Java programma compileren en uitvoeren via de opdrachtprompt. Thanks to all authors for creating a page that has been read , times. Is this article up to date? Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy.