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[Java] 自分自身のプロセスIDを取得する方法

Last updated at Posted at 2014-06-25

自分自身のプロセスIDを取得する方法

Java ではプロセスIDを簡単に取得する事ができない様ですね。
Windows や Linux 等で動作する方法を、結構探しました。

/**
 * process id (pid).
 */
public class ProcessIdSample {
  /**
   * process id (pid).
   */
  static final String PID =
    java.lang.management.ManagementFactory.getRuntimeMXBean().getName().split("@")[0];

  /**
   * print process id (pid).
   *
   * @param args
   *            String...
   */
  public static void main(String... args) {
    System.out.println("PID: " + PID);
  }
}

プロセスIDは、static final な変数に保持する方が良いですよね。
何度も計算することじゃないし。

もっと、いいプロセスIDの取得方法があれば教えてください。

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