java175-method类反射机制

//class反射编程
 //定义一个学生类
 public class test124 {
     public String name;
     protected int age;
     double height;
     private double money;
     public void setName(String name) {
         this.name = name;
     }
     public String getName() {
         return name;
     }
     public int getAge() {
         return age;
     }
     public void setAge(int age) {
         this.age = age;
     }
     public test124(String name, Integer age){
         this.name=name;
         this.age=age;
         System.out.println( "调用有参构造方法" );
     }
     public test124(String name,int age,double money){
         this.name=name;
         this.age=age;
         this.money=money;
     }
     //看书
     public void learn(BookRead book){
         System.out.println( "我的名字"+name+ "我正在学习"+book.getName());
     }
     //奔跑
     public void run(){
         System.out.println( "我们喜欢奔跑" );
     }
 }
 定义一个method类import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 //method类反射机制
 public class test129 {
     public static void main(String[] args){
         try {
             Class<?> stuCla = Class.forName( "test124" );
             test124 stuObj=new test124( "geyao",12 );
             BookRead book=new BookRead();
             book.setName( "歌谣" );
             Method learnMet=stuCla.getMethod( "learn", BookRead.class);
             learnMet.invoke( stuObj,book );
             //获取非公共方法
             Method runMet=stuCla.getDeclaredMethod( "run");
             if(!runMet.isAccessible()){
                 runMet.setAccessible( true );
                 runMet.invoke( stuObj );
             }
         }catch (Exception e){
             e.printStackTrace();
         }
     }
 }
 定义一个bookread类public class BookRead {
     private String name;
     public void setName(String name) {
         this.name = name;
     }
     public String getName() {
         return name;
     }
 }