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import java.lang.reflect.Constructor;

public class MyMatrixTypeFactory {

    public static <T extends MyMatrixType<T>> T generateMatrixType(int numerator, int denominator, Class<T> tClass) throws Exception {
        Class<?> cls = Class.forName(tClass.getName());
        Class<?>[] partypes = new Class[2];
        partypes[0] = Integer.TYPE;
        partypes[1] = Integer.TYPE;
        Constructor<?> ct = cls.getConstructor(partypes);
        Object arglist[] = new Object[2];
        arglist[0] = numerator;
        arglist[1] = denominator;
        T retobj = (T) ct.newInstance(arglist);
        return retobj;
    }

    public static <T extends MyMatrixType<T>> T generateMatrixType(int value,  Class<T> tClass) throws Exception {
        return MyMatrixTypeFactory.generateMatrixType(value,1,tClass);
    }
}