Invoke a method with parameter : Method « Reflection « Java Tutorial

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import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Arrays;

public class InvokeMain {
  public static void main(String... args) {
    try {
      Class<?> c = Class.forName(args[0]);
      Class[] argTypes = new Class[] { String[].class };
      Method main = c.getDeclaredMethod("main", argTypes);
      String[] mainArgs = Arrays.copyOfRange(args, 1, args.length);
      System.out.format("invoking %s.main()%n", c.getName());
      main.invoke(null, (Object) mainArgs);

      // production code should handle these exceptions more gracefully
    } catch (ClassNotFoundException x) {
      x.printStackTrace();
    } catch (NoSuchMethodException x) {
      x.printStackTrace();
    } catch (IllegalAccessException x) {
      x.printStackTrace();
    } catch (InvocationTargetException x) {
      x.printStackTrace();
    }
  }
}