Mine

Class MyProgram {    Class Dog {      public String name;      public String type;      public int    age;       public Dog() {}      public have_a_birthday() {         age = age + 1;      }   }    static void main() {      Dog myDog = new Dog();       myDog.name = "rover";      myDog.type = "bulldog";      myDog.age  = 10;        System.out.println("My dog's name is " + myDog.name);      System.out.println("My dog's type is " + myDog.type);      System.out.println("My dog's age is  " + myDog.age);  // prints 10      myDog.have_a_birthday();      System.out.println("My dog's age is  " + myDog.age);  // prints 11       return;   } }