Java by API/java.lang/ProcessBuilder

ProcessBuilder: command(String... command)

   <source lang="java">

import java.io.BufferedReader; import java.io.File; import java.io.InputStreamReader; import java.util.Map; public class MainClass {

 public static void main(String args[]) throws Exception {
   ProcessBuilder launcher = new ProcessBuilder();
   Map<String, String> environment = launcher.environment();
   launcher.redirectErrorStream(true);
   launcher.directory(new File("c:\\"));
   environment.put("name", "var");
   launcher.rumand("notepad.exe");
   Process p = launcher.start(); // And launch a new process
   BufferedReader output = new BufferedReader(new InputStreamReader(p.getInputStream()));
   String line;
   while ((line = output.readLine()) != null)
     System.out.println(line);
   // The process should be done now, but wait to be sure.
   p.waitFor();
 }

}

      </source>
   
  
 
  

ProcessBuilder: directory(File directory)

   <source lang="java">

import java.io.BufferedReader; import java.io.File; import java.io.InputStreamReader; import java.util.Map; public class MainClass {

 public static void main(String args[]) throws Exception {
   ProcessBuilder launcher = new ProcessBuilder();
   Map<String, String> environment = launcher.environment();
   launcher.redirectErrorStream(true);
   launcher.directory(new File("c:\\"));
   environment.put("name", "var");
   launcher.rumand("notepad.exe");
   Process p = launcher.start(); // And launch a new process
   BufferedReader output = new BufferedReader(new InputStreamReader(p.getInputStream()));
   String line;
   while ((line = output.readLine()) != null)
     System.out.println(line);
   // The process should be done now, but wait to be sure.
   p.waitFor();
 }

}

      </source>
   
  
 
  

ProcessBuilder: environment()

   <source lang="java">

import java.io.BufferedReader; import java.io.File; import java.io.InputStreamReader; import java.util.Map; public class MainClass {

 public static void main(String args[]) throws Exception {
   ProcessBuilder launcher = new ProcessBuilder();
   Map<String, String> environment = launcher.environment();
   launcher.redirectErrorStream(true);
   launcher.directory(new File("c:\\"));
   environment.put("name", "var");
   launcher.rumand("notepad.exe");
   Process p = launcher.start(); // And launch a new process
   BufferedReader output = new BufferedReader(new InputStreamReader(p.getInputStream()));
   String line;
   while ((line = output.readLine()) != null)
     System.out.println(line);
   // The process should be done now, but wait to be sure.
   p.waitFor();
 }

}

      </source>
   
  
 
  

ProcessBuilder: redirectErrorStream(boolean redirectErrorStream)

   <source lang="java">

import java.io.BufferedReader; import java.io.File; import java.io.InputStreamReader; import java.util.Map; public class MainClass {

 public static void main(String args[]) throws Exception {
   ProcessBuilder launcher = new ProcessBuilder();
   Map<String, String> environment = launcher.environment();
   launcher.redirectErrorStream(true);
   launcher.directory(new File("c:\\"));
   environment.put("name", "var");
   launcher.rumand("notepad.exe");
   Process p = launcher.start(); // And launch a new process
   BufferedReader output = new BufferedReader(new InputStreamReader(p.getInputStream()));
   String line;
   while ((line = output.readLine()) != null)
     System.out.println(line);
   // The process should be done now, but wait to be sure.
   p.waitFor();
 }

}

      </source>
   
  
 
  

ProcessBuilder: start()

   <source lang="java">

/*

* Output: 
*/

public class MainClass {

 public static void main(String args[]) {
   try {
     ProcessBuilder proc =  new ProcessBuilder("notepad.exe testfile");
     proc.start();
   } catch (Exception e) {
     System.out.println("Error executing notepad.");
   }
 }

}

      </source>