Methods of reflection classes (where the main method is more special)

 PackageReflet;Importjava.util.List; Public classPerson { PublicString name= "Hahaah";  Public voidAa1 ()//Method{System.out.println ("Aa1"); }     Public voidAa1 (String name,intpassword) {SYSTEM.OUT.PRINTLN (name+":"+password); }     PublicClass[] Aa1 (String name,int[] password) {        return NewClass[]{string.class}; }    Private Static voidAa1 (intnum)    {System.out.println (num); }     Public Static voidMain (string[] args) {System.out.println ("Main!!!"); }}

 PackageReflet;ImportJava.lang.reflect.Method;Importorg.junit.Test; Public classDemo2 {//method of Reflection class: public void Aa1 () {}@Test Public voidTest1 ()throwsException {person P=NewPerson (); Class Clazz=class.forname ("Reflet.person");//Load ClassMethod Method=clazz.getmethod ("Aa1",NULL); Method.invoke (P,NULL);//let the method run, you have to have a P object to run .    }    //method of Reflection class: public void Aa1 (String name,int password)@Test Public voidTest2 ()throwsException {person P=NewPerson (); Class Clazz=class.forname ("Reflet.person");//Load ClassMethod Method=clazz.getmethod ("Aa1", String.class,int.class); Method.invoke (P,"Hemaoyun", 23);//let the method run, you have to have a P object to run .        }        //method of Reflection class: public class[] Aa1 (String name,int[] password)@Test Public voidTest3 ()throwsException {person P=NewPerson (); Class Clazz=class.forname ("Reflet.person");//Load ClassMethod Method=clazz.getmethod ("Aa1", String.class,int[].class); Class ca[]= (class[]) Method.invoke (p, "Hemaoyun",New int[]{1,2,4,5}];//let the method run, you have to have a P object to run .System.out.println (ca[0]); }        //method of Reflection class: private static void Aa1 (int num)@Test Public voidTest4 ()throwsException {person P=NewPerson (); Class Clazz=class.forname ("Reflet.person");//Load ClassMethod Method=clazz.getdeclaredmethod ("Aa1",int.class); Method.setaccessible (true); Method.invoke (P,57);//let the method run, you have to have a P object to run .                                   }                //method of Reflection class: public static void Main (string[] args)@Test Public voidTEST5 ()throwsException {person P=NewPerson (); Class Clazz=class.forname ("Reflet.person");//Load ClassMethod Method=clazz.getdeclaredmethod ("main", string[].class); Method.invoke (NULL, (Object)Newstring[]{"We", "You"}); //Remember, the reflection class calls the Main method, preceded by the object strong, which is the version upgrade compatibility issue. //because the main method is static, you do not need the object P                                                       }}

Methods of reflection classes (where the main method is more special)