Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {
    private final static String[] comLines = { "ls /var/spool/postfix", "ls .", "javac Main.java",
            "java -version" };

    public void execute() {
        for (int i = 0; i < comLines.length; i++) {
            ExecutableChild ec = new ExecutableChild(i, comLines[i]);
            new Thread(ec).start();
        }
    }

    public static void main(String[] args) {
        new Main().execute();
    }
}

class ExecutableChild implements Runnable {
    int prIndex;
    String executable;

    public ExecutableChild(int k, String cmd) {
        prIndex = k;
        executable = cmd;
    }

    public void run() {
        try {
            Process child = Runtime.getRuntime().exec(executable);
            BufferedReader br = new BufferedReader(new InputStreamReader(child.getInputStream()));
            for (String s = br.readLine(); s != null; s = br.readLine()) {
                System.out.println("[" + prIndex + "] " + s);
                try {
                    Thread.sleep(20);
                } catch (Exception intex) {
                }
            }
            br.close();
        } catch (Exception ioex) {
            System.err.println("IOException for process #" + prIndex + ": " + ioex.getMessage());
        }
    }
}