import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD})
public @interface MyJUnit {
  
}


import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Scanner;

public class RunJUnit {
  public static void main(String[] args) {
    System.out.println("请输出你需要测试的类： ");
    Scanner scanner = new Scanner(System.in);
    String path = scanner.nextLine();
    try {
      Class<?>clazz = Class.forName(path);
      Object obj = clazz.newInstance();
      Method[]methods = clazz.getDeclaredMethods();
      for (Method method : methods) {
        if(null != method.getAnnotation(MyJUnit.class)) {
          method.invoke(obj);
        }
      }
    } catch (ClassNotFoundException e) {
      e.printStackTrace();
    } catch (InstantiationException e) {
      e.printStackTrace();
    } catch (IllegalAccessException e) {
      e.printStackTrace();
    } catch (IllegalArgumentException e) {
      e.printStackTrace();
    } catch (InvocationTargetException e) {
      e.printStackTrace();
    }
    scanner.close();
  }
}


public class TestMyJUnit {
  @MyJUnit
  public void test1() {
    System.out.println("111111111111");
  }
  
  public void test2() {
    System.out.println("22222222222222");
  }
  
  @MyJUnit
  public void test3() {
    System.out.println("3333333333333");
  }
}