JAVA EE: Java Tutorial: Java Runtime class

Friday, 27 January 2017

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Java Tutorial: Java Runtime class

RuntimeDemo.java

import java.io.IOException;

/*
 * public Process exec(String command) throws
 *                                      IOException
 *
 * Parameters:
 * -----------
 *
 * command - a specified system command.
 */
public class RuntimeDemo
{
    public static void main(String[] args) throws IOException
    {
        /*
         * Returns the runtime object associated with the
         * current Java application.
         */
        Runtime runtime = Runtime.getRuntime();

        /*
         * Executes the specified string command in a
         * separate process.
         *
         * It will open a new notepad.
         */
        Process process = runtime.exec("notepad.exe");
        System.out.println("is process alive = " + process.isAlive());
    }

}