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SIS0208 - METODOLOGIA Y PROGRAMACION ORIENTADA A OBJETOS I - GRUPO 4
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class Persona { String nombre; }
public class Main {
public static void main(String[] args){
Persona p = null;
System.out.println(p.nombre);
}
}
class A {}
class B extends A {}
public class Main {
public static void main(String[] args){
A a = new A();
B b = (B)a;
}
}
class Persona {}
public class Main {
public static void main(String[] args){
System.out.println(new Persona());
}
}
class Padre { void saludar(){ System.out.println("Padre"); } }
class Hijo extends Padre {
void saludar(){ System.out.println("Hijo"); }
}
public class Main {
public static void main(String[] args){
Padre p = new Hijo();
p.saludar();
}
}
public class Main {
public static void main(String[] args){
int[] arr = new int[2];
System.out.println(arr[2]);
}
}
public class Main {
public static void main(String[] args){
int[] arr = {1,2,3};
System.out.println(arr[1]);
}
}
interface I { void m(); }
class C implements I {
public void m(){ System.out.println("ok"); }
}
public class Main {
public static void main(String[] args){
I i = new C();
i.m();
}
}
final class A {}
class B extends A {}
class Persona {
private String nombre = "Ana";
public String getNombre(){ return nombre; }
}
public class Main {
public static void main(String[] args){
Persona p = new Persona();
System.out.println(p.getNombre());
}
}
class A {
int x = 5;
}
public class Main {
public static void main(String[] args){
A a = new A();
System.out.println(a.x);
}
}