https://blog.csdn.net/qq_36226453/article/details/82790375

目前程式碼：

package Text;

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

public class RunFanShe {
    
    private static final char[] Arcing = null
 
;

    public static void main(String[] args) throws ClassNotFoundException, NoSuchMethodException, SecurityException, Exception {

        Class<?> forName = Class.forName("Text.Arcing");
        Object newInstance = forName.getConstructor(String.class).newInstance("劉");
        
        Method methods 
 
= forName.getMethod("name", int.class);
        
        
        methods.invoke(newInstance, 20);



    }

}

class Arcing{
    public String nameString = "bookfar";
    public void name(int age) {
        System.out.println("my name is "+nameString+age);
    }
    
    public Arcing(String aString) {
        
 
// TODO Auto-generated constructor stub
        this.nameString = aString;
        System.out.println("you got it");
    }
    
    
}