a class is a container; it contains:

   a) a blueprint for objects of that type

   b) static members (if any)

what is an object: an object is a container,

   a) it contains instance members


by members (static or instance) here we mean:

   a) variables and
   b) methods (procedures, subroutines, functions)

--

class Student {
   String name;
   String report() {
     return this.name;
   }
   Student(String name) {
     this.name = name;
   }
}

class Example {
   public static void main(String[] args) {
     Student workstudy;
     workstudy = new Student("Angie");
     System.out.println("the student: " + workstudy.report());
     workstudy = new Student("Peter");
     System.out.println("the student: " + workstudy.report());

     int n;
     n = 5;
     System.out.println("n has the value: " + n);

     Example a = new Example();
     System.out.println(a);

   }
}

--

class Student {
   String name;
   String report() {
     return this.name;
   }
   Student(String name) {
     this.name = name;
   }
   public static void main(String[] args) {
     Student workstudy;
     workstudy = new Student("Angie");
     System.out.println("the student: " + workstudy.report());
     workstudy = new Student("Peter");
     System.out.println("the student: " + workstudy.report());

     int n;
     n = 5;
     System.out.println("n has the value: " + n);

   }
}

--


// Ten.java

class Horse {
   void talk() {
     System.out.println("Howdy!");
   }
}

class Unicorn extends Horse {
   void talk() {
     System.out.println("Bonjour.");
   }
}

class Story {
   public static void main(String[] args) {
     Horse a = new Horse();
     a.talk();

     Unicorn b = new Unicorn();
     b.talk();
     // b.sing();

     Horse c = new Unicorn();
     c.talk();

     /* Unicorn d = new Horse();
     d.talk(); */

   }
}

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