Run Java Applications Using the Many JARs File

You can do this without using the classpath directive at the command line. How? Easy! Just write a launcher! Here’s the code:

 /*	Allow you to type "java QuickRunner"	instead of "java -classpath foo.jar;bar.jar;. MyApp*/public class QuickRunner{    public static void main(String args[])    {        try        {            String defaultClassPath =System.getProperty("java.class.path");            String fileSep = System.getProperty("file.separator");            String pathSep = System.getProperty("path.separator");            String currDir = ".";            String beanJars = "foo.jar" + pathSep + "bar.jar; // _the jarfile needed by the application            String myClassPath = currDir + pathSep + beanJars + _pathSep +defaultClassPath;            String env[] = new String[1];            env[0] = "CLASSPATH=" + myClassPath;            String command = "java MyApp";            Process p = Runtime.getRuntime().exec(command, env);            new InputStreamMonitor(p.getInputStream());            new InputStreamMonitor(p.getErrorStream());            p.waitFor();        }        catch(Exception e)        {            e.printStackTrace();        }    }}
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