java 反射

 

package com;

public interface IPeople {
public abstract void desc();
}

 

package com;

public class Women implements IPeople {

@Override
public void desc() {
System.out.print("i am a women,and i am 温柔！");
}

}

 

Class<?> demo =Class.forName("com.Women");
IPeople per=(IPeople)demo.newInstance();
per.desc();