diff --git b/Herencia/Cliente.java a/Herencia/Cliente.java
new file mode 100644
index 0000000..7306488
--- /dev/null
+++ a/Herencia/Cliente.java
@@ -0,0 +1,28 @@
+public class Cliente{
+    String nombre;
+    String membresia;
+    int producto;
+    int servicio;
+    public Cliente(String nombre,String membresia,int producto,int servicio){
+        this.nombre=nombre;
+        this.membresia=membresia;
+        this.producto=producto;
+        this.servicio=servicio;
+    }
+    public Cliente(){}
+    
+    public String getNombre(){
+        return nombre;
+    }
+    public String getMembresia(){
+        return membresia;
+    }
+    public int getProducto(){
+        return producto;
+    }
+    public int getServicio(){
+        return servicio;
+    }
+
+
+}
\ No newline at end of file
diff --git b/Herencia/ClienteOro.java a/Herencia/ClienteOro.java
new file mode 100644
index 0000000..f22b9db
--- /dev/null
+++ a/Herencia/ClienteOro.java
@@ -0,0 +1,10 @@
+public class ClienteOro extends ClientePlata{
+    String Beneficios="\nSpa 1 vez por semana\n";
+    double descuento=0.15;
+    public void ClienteOro(String nombre,String membresia,int producto,int servicio){
+        this.nombre=nombre;
+        this.membresia=membresia;
+        this.producto=producto;
+        this.servicio=servicio;
+    }
+}
\ No newline at end of file
diff --git b/Herencia/ClientePlata.java a/Herencia/ClientePlata.java
new file mode 100644
index 0000000..df7ed3d
--- /dev/null
+++ a/Herencia/ClientePlata.java
@@ -0,0 +1,10 @@
+public class ClientePlata extends Cliente{
+    String Servicios="\nmasaje relajante\n";
+    double descuento=0.10;
+    public ClientePlata(String nombre,String membresia,int producto,int servicio){
+        this.nombre=nombre;
+        this.membresia=membresia;
+        this.producto=producto;
+        this.servicio=servicio;
+    }
+}
\ No newline at end of file
diff --git b/Herencia/ClientePremiun.java a/Herencia/ClientePremiun.java
new file mode 100644
index 0000000..85f3b20
--- /dev/null
+++ a/Herencia/ClientePremiun.java
@@ -0,0 +1,10 @@
+public class ClientePremiun extends ClienteOro{
+    String premios="\nSorteos semanales con los puntos adquiridos\n";
+    double descuento=0.20;
+    public ClientePremiun(String nombre,String membresia,int producto,int servicio){
+        this.nombre=nombre;
+        this.membresia=membresia;
+        this.producto=producto;
+        this.servicio=servicio;
+    }
+}
\ No newline at end of file
diff --git b/Herencia/MainCliente.java a/Herencia/MainCliente.java
new file mode 100644
index 0000000..1935a96
--- /dev/null
+++ a/Herencia/MainCliente.java
@@ -0,0 +1,10 @@
+public class MainCliente{
+    public static void main(String[] args) {
+        ClientePlata Luisa= new ClientePlata("luisa","plata",50,30);
+        ClienteOro Fernanda= new ClienteOro("Fernanda","Oro",20,15);
+        ClientePremiun Patricia=new ClientePremiun("Patricia","Premiun",50,100);
+        System.out.println("Nuestra cliente "+Luisa.getNombre()+" posee membresia"+Luisa.getMembresia()+"ademas de servicios como "+Patricia.Servicios);
+        System.out.println("Nuestra cliente "+Fernanda.getNombre()+" posee membresia"+Fernanda.getMembresia()+"que aplica"+Fernanda.Servicios+Fernanda.Beneficios);
+        System.out.println("Nuestra cliente "+Patricia.getNombre()+" posee membresia"+Patricia.getMembresia()+"que aplica"+Patricia.Servicios+Patricia.Beneficios+Patricia.premios);
+    }
+}
\ No newline at end of file
diff --git b/Mochila/Mochila.class a/Mochila/Mochila.class
new file mode 100644
index 0000000..9bc0fca
Binary files /dev/null and a/Mochila/Mochila.class differ
diff --git b/Mochila/Mochila.java a/Mochila/Mochila.java
new file mode 100644
index 0000000..c87767a
--- /dev/null
+++ a/Mochila/Mochila.java
@@ -0,0 +1,160 @@
+public class Mochila{
+    public float maxPeso;
+    public void dimesionar(float maxPeso){
+        this.maxPeso=maxPeso;
+    }
+    public void Mochila(){
+
+    }
+    public static void Ordenar(Objetos a[],int pos){
+        Objetos aux=new Objetos();
+        for(int i=0;i<pos-1;i++){
+            for(int j=i+1;j<pos;j++){
+                if(a[i].valor<a[j].valor){
+                    aux=a[i];
+                    a[i]=a[j];
+                    a[j]=aux;
+                }
+            }
+        }    
+    }
+    public static void OrdenarP(Objetos a[],int pos){
+        Objetos aux=new Objetos();
+        for(int i=0;i<pos-1;i++){
+            for(int j=i+1;j<pos;j++){
+                if(a[i].peso>a[j].peso){
+                    aux=a[i];
+                    a[i]=a[j];
+                    a[j]=aux;
+                }
+            }
+        }    
+    }
+    public static void max(Objetos a[],int pos,Float max){
+        int t=0,p;
+        float total=0,c;
+        while(total<max){
+            p=0;total=0.0f;c=0.0f;
+            for(int i=0;i<pos;i++){
+                c+=a[i].peso;
+                if(c<=max){
+                    total+=a[i].valor;
+                    t=i+1;
+                }   
+            
+            }
+            if(total<max){
+                a[p].valor=a[p].valor*2;
+                a[p].peso=a[p].peso*2;
+                
+                for(int i=1;i<pos;i++){   
+                    if(a[p].peso!=a[i].peso){
+                        p=i;
+                        a[p].valor=a[p].valor*2;
+                        a[p].peso=a[p].peso*2;
+                    }
+                }   
+                Ordenar(a,a.length);
+                OrdenarP(a, a.length);
+            }
+        }
+        System.out.println("El valor maximo a cargar con "+t+" objetos es de: "+total);
+    }
+    public static void maxP(Objetos a[],int pos,Float max){
+        int t=0,p;
+        float[] posibles={0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f};int j=0;
+        float total=0,c;
+        while(total<max){
+            p=0;
+            for(int i=0;i<pos;i++){
+                c=0;total=0.0f;
+                for(int k=i;k<pos;k++){      
+                    //c=0;
+                    c+=a[k].peso;
+                    if(c<=max){
+                      total+=a[i].valor;
+                      t=i+1;
+                    }   
+                }
+                posibles[j]=total;
+                j++;
+            }
+            for(int i=0;i<8;i++){
+                if(total<posibles[i]){
+                    total=posibles[i];
+                }
+            }
+            if(total<max){
+                a[p].valor=a[p].valor*2.0f;
+                a[p].peso=a[p].peso*2.0f; 
+                for(int i=1;i<pos;i++){   
+                    if(a[p].peso!=a[i].peso){
+                        p=i;       
+                        a[p].valor=a[p].valor*2.0f;
+                        a[p].peso=a[p].peso*2.0f;      
+                    }
+                }   
+                Ordenar(a,a.length);
+                OrdenarP(a, a.length);
+            }
+        }
+
+        System.out.println("El valor maximo a cargar con "+t+" objetos es de: "+total);
+    }
+    public static void main(String[] args) {
+        Mochila mochila= new Mochila();
+        mochila.dimesionar(26.0f);
+        Objetos objects[]=new Objetos[8];
+        objects[0]=new Objetos();
+        objects[1]=new Objetos();
+        objects[2]=new Objetos();
+        objects[3]=new Objetos();
+        objects[4]=new Objetos();
+        objects[5]=new Objetos();
+        objects[6]=new Objetos();
+        objects[7]=new Objetos();
+        objects[0].setObjetos(4,3);
+        objects[1].setObjetos(1,3);
+        objects[2].setObjetos(8,4);
+        objects[3].setObjetos(1,1);
+        objects[4].setObjetos(8,4);
+        objects[5].setObjetos(3,5);
+        objects[6].setObjetos(6,6);
+        objects[7].setObjetos(4,1);
+        int n=objects.length;
+       // System.out.println(n);
+        //Ordenar(objects,n);
+        System.out.println(objects[0].peso+"|"+objects[0].valor);
+        System.out.println(objects[1].peso+"|"+objects[1].valor);
+        System.out.println(objects[2].peso+"|"+objects[2].valor);
+        System.out.println(objects[3].peso+"|"+objects[3].valor);
+        System.out.println(objects[4].peso+"|"+objects[4].valor);
+        System.out.println(objects[5].peso+"|"+objects[5].valor);
+        System.out.println(objects[6].peso+"|"+objects[6].valor);
+        System.out.println(objects[7].peso+"|"+objects[7].valor);
+        OrdenarP(objects,n);
+        System.out.println("--------------------------------------------");
+        System.out.println(objects[0].peso+"|"+objects[0].valor);
+        System.out.println(objects[1].peso+"|"+objects[1].valor);
+        System.out.println(objects[2].peso+"|"+objects[2].valor);
+        System.out.println(objects[3].peso+"|"+objects[3].valor);
+        System.out.println(objects[4].peso+"|"+objects[4].valor);
+        System.out.println(objects[5].peso+"|"+objects[5].valor);
+        System.out.println(objects[6].peso+"|"+objects[6].valor);
+        System.out.println(objects[7].peso+"|"+objects[7].valor);
+        System.out.println("--------------------------------------------");
+        max(objects,n,mochila.maxPeso);
+        System.out.println("--------------------------------------------");
+        System.out.println(objects[0].peso+"|"+objects[0].valor);
+        System.out.println(objects[1].peso+"|"+objects[1].valor);
+        System.out.println(objects[2].peso+"|"+objects[2].valor);
+        System.out.println(objects[3].peso+"|"+objects[3].valor);
+        System.out.println(objects[4].peso+"|"+objects[4].valor);
+        System.out.println(objects[5].peso+"|"+objects[5].valor);
+        System.out.println(objects[6].peso+"|"+objects[6].valor);
+        System.out.println(objects[7].peso+"|"+objects[7].valor);
+        System.out.println("--------------------------------------------");
+        maxP(objects,n,mochila.maxPeso);
+    }
+
+}
\ No newline at end of file
diff --git b/Mochila/Objetos.class a/Mochila/Objetos.class
new file mode 100644
index 0000000..a1505fd
Binary files /dev/null and a/Mochila/Objetos.class differ
diff --git b/Mochila/Objetos.java a/Mochila/Objetos.java
new file mode 100644
index 0000000..f464dd4
--- /dev/null
+++ a/Mochila/Objetos.java
@@ -0,0 +1,16 @@
+public class Objetos{
+    public float peso;
+    public float valor;
+    public void Objectos(){}
+
+    public void Objectos(int P, int V){
+        this.peso = P;
+        this.valor= V;
+    }
+    public void setObjetos(int P, int V){
+        this.peso=P;
+        this.valor=V;
+    }
+    
+    
+}
\ No newline at end of file
diff --git b/Modificadores de acceso student-notas/Notas.java a/Modificadores de acceso student-notas/Notas.java
new file mode 100644
index 0000000..9b1a97a
--- /dev/null
+++ a/Modificadores de acceso student-notas/Notas.java
@@ -0,0 +1,18 @@
+public class Notas{
+    public int notas[5];
+    private String direccion;
+    public Notas(){
+    }
+    public setNotas(int a,int b){
+        notas[a]=b;
+    }
+    public setDireccion(string a){
+        direccion=a;
+    }
+    public string getNotas(int a){
+        return notas[a];
+    }
+    public string getDireccion(int a){
+        return notas[a];
+    }
+}
\ No newline at end of file
diff --git b/Modificadores de acceso student-notas/Student.java a/Modificadores de acceso student-notas/Student.java
new file mode 100644
index 0000000..b19b95b
--- /dev/null
+++ a/Modificadores de acceso student-notas/Student.java
@@ -0,0 +1,15 @@
+public class Student{
+    public String Nombre;
+    public Student(String Nombre){
+        this.Nombre=Nombre;
+    }
+    public int getNotas(Notas a,int b){
+        return a.notas[b];
+    }
+    public static void main(String[] args) {
+        Student Juan=new Student("Juan");
+        Notas Juann=new Notas();
+        Juann.setNotas(0, 5);
+        System.out.println("Las notas de "+Juan.Nombre+" es de "+Juan.getNotas(Juann,0));
+    } 
+}
\ No newline at end of file
diff --git b/Select where/selectwhere.sql a/Select where/selectwhere.sql
new file mode 100644
index 0000000..a1a0889
--- /dev/null
+++ a/Select where/selectwhere.sql
@@ -0,0 +1,34 @@
+SELECT * FROM FILM;
+
+SELECT * FROM  FILM FIL
+JOIN FILM_ACTOR FACT ON FIL.FILM_ID=FACT.ACTOR_ID
+JOIN ACTOR ACT ON FACT.ACTOR_ID=ACT.ACTOR_ID
+WHERE ACT.first_name='Johnny';
+
+SELECT * FROM  FILM FIL
+JOIN FILM_ACTOR FACT ON FIL.FILM_ID=FACT.ACTOR_ID
+JOIN ACTOR ACT ON FACT.ACTOR_ID=ACT.ACTOR_ID
+WHERE ACT.first_name='Johnny' OR ACT.first_name='PENELOPE' ;
+
+SELECT * FROM  FILM FIL
+JOIN FILM_ACTOR FACT ON FIL.FILM_ID=FACT.ACTOR_ID
+JOIN ACTOR ACT ON FACT.ACTOR_ID=ACT.ACTOR_ID
+WHERE ACT.first_name='Johnny' AND ACT.first_name='PENELOPE' ;
+
+SELECT * FROM FILM_CATEGORY FI
+JOIN CATEGORY CA ON CA.CATEGORY_ID=FI.CATEGORY_ID
+WHERE CATEGORY_ID='ACTION'AND CATEGORY_ID='COMEDY';
+
+
+SELECT * FROM FILM
+WHERE TITLE LIKE 'A%';
+
+
+SELECT * FROM FILM
+WHERE TITLE LIKE '%B';
+
+SELECT * FROM PAYMENT
+WHERE AMOUNT BETWEEN 0 AND 5;
+
+SELECT * FROM FILM
+WHERE NOT TITLE='ANALYZE HOOSIERS';
diff --git b/Stack con ordenadorecursivo/Stack.java a/Stack con ordenadorecursivo/Stack.java
new file mode 100644
index 0000000..a8d1f7c
--- /dev/null
+++ a/Stack con ordenadorecursivo/Stack.java
@@ -0,0 +1,91 @@
+import java.util.stream.IntStream;
+
+public class Stack{
+    public int arrays[];
+    public int dimension;
+   // public float[]arraysF;
+    public int frente;
+    //public int frenteF;
+    public void Stack(){
+        this.arrays=new int[5];
+        dimension=5;
+        //this.arraysF=new float[5];
+    }
+    public Stack(int dimension){
+        this.arrays=new int[dimension];
+        //this.arraysF=new float[dimension];
+        this.dimension=dimension;
+        frente=0;
+        //frenteF=0;
+    }
+    public void dimension(){
+        System.out.println(arrays.length);
+    }
+    public void push(int valor){ 
+        if(frente<dimension){
+            this.arrays[frente]=valor;
+            frente++;
+        }else{System.out.println("La Pila llena");}
+    }
+    
+    /*public void push(float dato){
+        if(frenteF<dimension){ 
+            arraysF[frenteF]=dato;
+            frenteF++;
+        }else{System.out.println("La Pila llena");}
+    }*/
+
+    public int pop(){
+        if(frente>0){
+            frente--;
+            return arrays[frente];
+        }else{return 0;}
+
+    }
+    /*public float popf(){
+        if(frente>0){
+            frenteF--;
+            return arraysF[frenteF];
+        }else{return 0;}
+    }*/
+    public static void ordenarPila(Stack a){
+        if(a.frente!=0){
+            int temp= a.pop();
+            ordenarPila(a);
+            insertarOrden(a,temp);
+        }
+    }
+    public static void insertarOrden(Stack a, int temp){
+        if(a.frente==0 || temp>a.arrays[a.frente-1]){
+            a.push(temp);
+        }else{
+            int dato=a.pop();
+            insertarOrden(a, temp);
+            a.push(dato);
+        }
+    }
+
+    public static void main(String[] args) {
+        Stack a= new Stack(10);
+        //a.dimension();
+        a.push(5);
+        a.push(4);
+        a.push(7);
+        a.push(6);
+        a.push(3);
+        a.push(1);
+        a.push(2);
+        ordenarPila(a);
+        //a.push(5.5f);
+        System.out.println(a.pop());
+        System.out.println(a.pop());
+        System.out.println(a.pop());
+        System.out.println(a.pop());
+        System.out.println(a.pop());
+        System.out.println(a.pop());
+        System.out.println(a.pop());
+        //System.out.println(a.pop());
+        //System.out.println(a.popf());
+    }
+   
+}
\ No newline at end of file
diff --git b/TABLA SQL UPS/UPS.SQL a/TABLA SQL UPS/UPS.SQL
new file mode 100644
index 0000000..3a10dc5
--- /dev/null
+++ a/TABLA SQL UPS/UPS.SQL
@@ -0,0 +1,51 @@
+ALTER SESSION SET NLS_DATE_FORMAT = 'dd-mm-yyyy';
+CREATE TABLE CENTRO_UPS(
+	ID INTEGER NOT NULL,
+	TIPO VARCHAR(50),
+	DIRECCION VARCHAR(50) NOT NULL,
+	CONSTRAINT PK_ID PRIMARY KEY(ID)
+);
+
+CREATE SEQUENCE SEQUENCE_ID
+	START WITH 1
+	INCREMENT BY 1;
+
+
+CREATE TABLE ARTICULOS(
+	NRO_ARTICULOS INTEGER NOT NULL,
+	ID_CENTRO INTEGER,
+	PESO FLOAT NOT NULL, 
+	DIMENSION VARCHAR(10) NOT NULL,
+	IMPORTE INTEGER NOT NULL,
+	FECHA_FINAL DATE NOT NULL,
+	DESTINO VARCHAR(50) NOT NULL, 
+	CONSTRAINT PK_NRO_ARTICULOS PRIMARY KEY(NRO_ARTICULOS),
+	CONSTRAINT FK_ID_CENTRO FOREIGN KEY(ID_CENTRO) REFERENCES CENTRO_UPS(ID)
+);
+
+CREATE SEQUENCE SEQUENCE_NRO_ARTICULOS
+	START WITH 1
+	INCREMENT BY 1;
+
+CREATE TABLE TRANSPORTE(
+	N_EVENTO INTEGER NOT NULL,
+	TIPO VARCHAR(20) NOT NULL,
+	RUTA VARCHAR(30) NOT NULL,
+	DIRECCION VARCHAR(30) NOT NULL,
+	CONSTRAINT PK_N_EVENTO PRIMARY KEY(N_EVENTO)	
+);
+CREATE SEQUENCE SEQUENCE_N_EVENTO
+	START WITH 1
+	INCREMENT BY 1;
+
+INSERT INTO CENTRO_UPS(ID,TIPO,DIRECCION)
+VALUES(SEQUENCE_ID.NEXVAL,"CENTRO DE EMBALAJE","MARIANO ROQUE ALONSO");
+
+INSERT INTO ARTICULOS(NRO_ARTICULOS,PESO,DIMENSION,IMPORTE,FECHA_FINAL,DESTINO)
+VALUES(SEQUENCE_NRO_ARTICULOS.NEXVAL,8.3,"10X10CM",50000,'19/10/2021');
+
+INSERT INTO ARTICULOS(NRO_ARTICULOS,PESO,DIMENSION,IMPORTE,FECHA_FINAL,DESTINO)
+VALUES(SEQUENCE_NRO_ARTICULOS.NEXVAL,7.4,"5X10CM",80000,'28/10/2021');
+
+INSERT INTO TRANSPORTE(N_EVENTO,TIPO,RUTA,DIRECCION)
+VALUES(SEQUENCE_N_EVENTO.NEXVAL,"AUTOMOVIL","TRANSCHACO","MARIANO ROQUE ALONSO");
\ No newline at end of file
diff --git b/box/Box.class a/box/Box.class
new file mode 100644
index 0000000..e89dfa5
Binary files /dev/null and a/box/Box.class differ
diff --git b/box/Box.java a/box/Box.java
new file mode 100644
index 0000000..26b1805
--- /dev/null
+++ a/box/Box.java
@@ -0,0 +1,18 @@
+import java.util.concurrent.atomic.AtomicLong;
+
+public class Box{
+    public float ancho;
+    public float alto;
+    public float profundidad;
+    public void box(){}
+    public void box(float ancho,float alto,float profundidad){
+        this.ancho=ancho;
+        this.alto=alto;
+        this.profundidad=profundidad;
+    }
+    public void box(Box a){
+        this.ancho=a.ancho;
+        this.alto=a.alto;
+        this.profundidad=a.profundidad;
+    }
+}
\ No newline at end of file
diff --git b/box/BoxPeso.class a/box/BoxPeso.class
new file mode 100644
index 0000000..89a9d57
Binary files /dev/null and a/box/BoxPeso.class differ
diff --git b/box/BoxPeso.java a/box/BoxPeso.java
new file mode 100644
index 0000000..1cec731
--- /dev/null
+++ a/box/BoxPeso.java
@@ -0,0 +1 @@
+public class BoxPeso{}
\ No newline at end of file
diff --git b/box/Envio.java a/box/Envio.java
new file mode 100644
index 0000000..3cb4d24
--- /dev/null
+++ a/box/Envio.java
@@ -0,0 +1,12 @@
+public class Envio extends BoxPeso{
+    public Envio(){
+
+    }
+    public Envio(float ancho,float peso){
+        super(ancho,ancho, ancho,peso);
+    }
+    public Envio(float ancho,float alto, float profundidad, float peso){
+        super(ancho, alto, profundidad, peso);
+    }
+    
+}
\ No newline at end of file
diff --git b/factura/Factura.java a/factura/Factura.java
new file mode 100644
index 0000000..7ef2133
--- /dev/null
+++ a/factura/Factura.java
@@ -0,0 +1,35 @@
+public class Factura{
+    private static int iva1;
+    private static int iva2;
+    private int total;
+    public void setIva1(int iva){
+        this.iva1=iva;
+    }
+    public void setIva2(int iva){
+        this.iva2=iva;
+    }
+    public void setTotal(int total){
+        this.total=total;
+    }
+    public int getIva1(){
+        return iva1;
+    }
+    public int getIva2(){
+        return iva2;
+    }
+    public int getTotal(){
+        return total;
+    }
+    
+    public static void calcularIva(int total, int iva){
+        System.out.println("el total del iva a pagar es de "+(double)(total)/(double)iva/100);
+    }
+    public static void main(String[] args) {    
+        Factura F1=new Factura();
+        F1.setIva1(10);
+        F1.setIva2(5);
+        F1.setTotal(100000);
+        calcularIva(total, f1.getIva1());
+
+    }
+}
\ No newline at end of file