import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

public class Test{

	public static void main(String[] args) throws Exception {
		Class<?> classFS = Class.forName("FanShe");
		
		/*
		 * Constructor 構造器相關的類
		 */
		
		// 用無參構造方法，創建實例對象
		Object fs = classFS.newInstance();
		// *************有參構造方法
		Constructor<?> constructor = classFS.getConstructor(String.class);
		System.out.println("構造方法：");
		Object object1 = constructor.newInstance("window10");
		// *************

		/*
		 * Field 成員變量相關的類
		 */
		
		// 獲取成員變量值
		Field[] declaredFields = classFS.getDeclaredFields();
		for (int i = 0; i < declaredFields.length; i++) {
			Field field = declaredFields[i];
			field.setAccessible(true);
			System.out.println("名字：" + field.getName() + " 類型：" + field.getType() + 
					" 值：" + field.get(fs));
			//field.get(fs)中的get（object obj）傳入的需要是創建的出來的實例對象
			//就是用這個返回的object：classFS.newInstance();也可是object1這個實例對象
			
		}

		/*
		 * Method 方法相關的類
		 */
		
		// 獲取執行方法
		Method[] declaredMethods = classFS.getDeclaredMethods();
		for (int i = 0; i < declaredMethods.length; i++) {
			Method method = declaredMethods[i];
			System.out.print("方法名:" + method.getName() + " 方法執行：");
			method.invoke(object1);//fs和object1是一樣的。
		}
	}

}

class FanShe {
	String s1 = "World!";
	String s2 = "java!";
	private String s3 = "China";

	public FanShe() {
	}

	public FanShe(String s) {
		System.out.println("Hi," + s);
	}

	void helloWorld() {
		System.out.println("hello " + s1);
	}

	void helloJava() {
		System.out.println("hello " + s2);

	}

	void helloChina() {
		System.out.println("hello " + s3);

	}

	void helloWeekend() {
		System.out.println("hello Weekend!");
	}

	void helloLaoWang() {
		System.out.println("hello LaoWang");

	}
}