Use ProcessBuilder.environment()

    
/*
 * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 */

import java.util.Map;

public class PassEnv {
  public static void main(String[] args) throws java.io.IOException {
    System.out.println(System.getProperty("java.class.path"));
    ProcessBuilder pb = new ProcessBuilder("java", "Env", "DRAGONBALLS");
    Map<String, String> env = pb.environment();
    env.put("DRAGONBALLS", "7");
    pb.start();
  }
}

Related examples in the same category

1.	ProcessBuilder Demo
2.	Use of ProcessBuilder that duplicates the functions of the DoRuntime example:
3.	Exec Helper
4.	Launches a process, redirecting the output of that sub-process to the output of this (the parent) process.
5.	Process Watcher
6.	Execute a command

Use ProcessBuilder.environment() : ProcessBuilder « Development Class « Java

Related examples in the same category