class Student
{
            int age;
      
    public static void main(String[] args)
        {  
                        
                        
                Student p=new Student();
                Student q=new Student();
                p.age=13;
                q.age=13;
                
                if(p.equals(q))
                  System.out.println("p 与 q 相等");
                else
                  System.out.println("p 与 q 不等");
        }
}