Java reflection dynamic invocation of different classes of static methods (recommended) _java

The class to be invoked

Package SS;

public class with {public
  static Integer  demo (String s) {
    System.err.println s+ <<<<<< Success! ");
    Integer Ss=1;
    return SS;
  }

The class that executes the call

public class Ceshi {public
  static void Main (string[] args) {
    
     try {
        String className = ' ss. Use ";
        class<?> TestClass = Class.forName (className);
        Method saddMethod2 = Testclass.getmethod ("Demo", New Class[]{string.class});
          String Result=saddmethod2.invoke (null,new object[]{"Test Reflection"}). ToString ();
          SYSTEM.OUT.PRINTLN (result);
      } catch (Exception e) {
        e.printstacktrace ();
      }

}

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