Java Data Type Tutorial - Java Runtime.exec(String [] cmdarray, String [] envp)

Syntax

Runtime.exec(String [] cmdarray, String [] envp) has the following syntax.

public Process exec(String [] cmdarray,  String [] envp)  throws IOException

Example

In the following code shows how to use Runtime.exec(String [] cmdarray, String [] envp) method.

//from www . j  ava 2 s . c  om
public class Main {

   public static void main(String[] args) {
      try {
         String[] cmdArray = new String[2];

         // the program to open
         cmdArray[0] = "notepad.exe";

         // txt file to open with notepad
         cmdArray[1] = "data.txt";


         String[] envArray = new String[2];
         envArray[0]="";
         envArray[1]="";
         Process process = Runtime.getRuntime().exec(cmdArray,envArray);


      } catch (Exception ex) {
         ex.printStackTrace();
      }

   }
}