}
final Main sdb = new Main("Rhino JavaScript Debugger");
org.mozilla.javascript.tools.shell.ShellContextFactory contextFactory =
new org.mozilla.javascript.tools.shell.ShellContextFactory();
sdb.attachTo(contextFactory);
contextFactory.setLanguageVersion(Context.VERSION_1_8);
contextFactory.setOptimizationLevel(9);
sdb.pack();
sdb.setSize(640, 640);
sdb.setVisible(true);