java反射

ReflectDemo demo  = new ReflectDemo();
        Class ReflectClass = demo.getClass();
        System.out.println(ReflectClass.getName());
        Class ReflectClass2 = ReflectDemo.class;
        System.out.println(ReflectClass2.getName());
        System.out.println(ReflectClass2 == ReflectClass);
        Class ReflectClass3 = null;
        try {
            ReflectClass3 = Class.forName("reflect.ReflectDemo");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        System.out.println(ReflectClass == ReflectClass3);

Class<?> reflect = Class.forName("reflect.ReflectConstructor");
        Constructor[] array = reflect.getConstructors(); //获取所有非私有构造函数
        for (Constructor c : array){
            System.out.println(c);
        }
        System.out.println("-----------");
        Constructor[] array2 = reflect.getDeclaredConstructors();//获取所有构造函数(包括私有构造)
        for (Constructor c : array2){
            System.out.println(c);
        }
        System.out.println("-------------");
        Constructor<?> constructor = reflect.getConstructor(String.class);//获取单个特定的非私有构造函数
        Constructor constructor1 = reflect.getDeclaredConstructor(int.class);
        //获取单个特定的构造函数
      ReflectConstructor reflectConstructor = (ReflectConstructor) constructor.newInstance("abc");
        constructor1.setAccessible(true);
        constructor1.newInstance(2);
    }