gistfile1.java

private static <T> T createNewInstance(Class<T> type) throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
		Constructor<?>[] constructors = type.getDeclaredConstructors();
		
		// if its an interface or abstract class
		if (constructors.length == 0)
			return null;
		// if trying to create a generic
		if (type == Class.class)
			return null;

		for (Constructor<?> c : constructors) {
			if (c.getParameterTypes().length == 0) {
				c.setAccessible(true);
				return (T) c.newInstance();
			}
		}

		Constructor<?> c = constructors[0];
		Class<?>[] parameters = c.getParameterTypes();
		Object[] params = new Object[parameters.length];

		for (int i = 0; i < parameters.length; i++) {
			if (parameters[i].isPrimitive()) {
				if (parameters[i] == char.class)
					params[i] = '0';
				else if (parameters[i] == boolean.class)
					params[i] = false;
				else if (parameters[i] == short.class)
					params[i] = (short) 0;
				else if (parameters[i] == byte.class)
					params[i] = (byte) 0;
				else
					params[i] = 0;
			} else {
				params[i] = null;
			}
		}

		c.setAccessible(true);
		return (T) c.newInstance(params);
	}

where did you find this?

wrote it myself .-.