Question

how to set environment variable in windows 7 ??
please tell fast​

Answer 1

Explanation:

Right click the Computer icon on your desktop and choose Properties from the menu. Click on the Advanced system settings link and then click Environment Variables. Under the section System Variables, select the environment variable you want to edit

Answer 2

Answer:

1. om the desktop, right click the Computer icon.
2. Choose Properties from the context menu.
3. Click the Advanced system settings link.
4. Click Environment Variables. In the section System Variables find the PATH environment variable and select it. Click Edit. If the PATH environment variable does not exist, click New.
5. In the Edit System Variable (or New System Variable) window, specify the value of the PATH environment variable. Click OK. Close all remaining windows by clicking OK.
6. Reopen Command prompt window, and run your java code.