For chromium use can use the following:
DefaultSelenium selenium = new DefaultSelenium("localhost", 4444, "*custom path/to/chromium `` ,''www.google.com ``);
selenium.start();
The other options that you can use are *custom, *chrome(note: this is not Google Chrome, it is a firefox mode only), *googlechrome, *iexplore. Please check selenium documentation for a complete list of the modes.
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