Rabota v klas / tema_10

package 1
-------------
package package1;

public class A {
    int R;//поле
    float Area;//поле

    public static void main(String[] args) {
        int R;//промелнлива от тип-целочислена

    }

    public void PrintR() {
        System.out.println(R);

    }

    public float CalcArea(int R) {//R - параметър, който подаваме на метода
        System.out.println(R);
        return R;
    }
}

class c {

}
===================
package 2
------------
package package2;
import package1.A;

public class B {
    public static void main(String[] args) {
        A aInstance;//= new A();
        System.out.println("An instance of A was created.");
    }
}
===================
Dog
--------
package Dog;

public class Dog {

    String name;
    int age;
    int length;
    boolean isMale;

    public static void main(String[] args) {
        Dog dog; // null
        dog = new Dog();

        System.out.println("Dog's name is: " + dog.name);
        System.out.println("Dog's age is: " + dog.age);
        System.out.println("Dog's length is: " + dog.length);
        System.out.println("Dog's is male: " + dog.isMale);
    }
}