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46 changes: 31 additions & 15 deletions EF1.java
Original file line number Diff line number Diff line change
@@ -1,15 +1,31 @@
public class EF1{

public static void main(String args[]){
int n = Integer.parseInt(args[0]);
System.out.println(Factorial(n));
}

public static int Factorial(int n){
if(){//Escribir condición de salida
return 1;
}else{//Escribir el retorno para la recursividad

}
}
}
package ef1;
/**
*
* @author lenovo
*/
public class EF1 {

/**
* @param args the command line arguments
*/
public static void main(String[] args) {


System.out.println("Entra como argumento en args[0]=5 args[1]=4 args[2]=3 args[3]=2 args[4]=8");
int n = Integer.parseInt(args[0]);
System.out.println("Sale factorial de args[0]: ");
System.out.println(Factorial(n));
}

private static int Factorial(int n) {
if (n==0 || n==1)
return 1;
else {
return (Factorial(n-1)*n);

}

}


}
57 changes: 48 additions & 9 deletions EF2.java
Original file line number Diff line number Diff line change
@@ -1,9 +1,48 @@
public class EF2{

public static void main(String args[]){


}


}
package ef2;

/**
*
* @author lenovo
*/
public class EF2 {

/**
* @param args the command line arguments
*/
public static void main(String[] args) {
int array[]= {2,3,8,109,13,4,18,10,23,18,50,11,13,2};
EF2 ps= new EF2();
ps.sort(array);
ps.print(array);


}

public void sort(int array[]){
for (int i=0; i<array.length; i++){

for (int j=1; j<array.length -i; j++){
if (array[j-1]>array[j]){
int temporal=array[j];
array[j]=array[j-1];
array[j-1]=temporal;

}
}

}
}

public void print(int array[]){
//esto es un for each
System.out.print("{");
for (int i=0;i<array.length;i++){
System.out.print(array[i]);
if(i<array.length-1){
System.out.print(",");
}
}
System.out.println("}");
}

}
75 changes: 75 additions & 0 deletions EF3.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,75 @@
package ef3;

import java.util.Scanner;
public class EF3 {


public String Alfb[]={"a","b","c","d","e","f","g","h","i","j","k","l","m","n","ñ","o","p","q","r","s","t","u","v","w","x","y","z"," "};
int c,x=0,ai=21;
static String cadena;
static int cif[]= new int[100];
static int d;
int opcion;
//char sc[]=new char[25];
public static void main(String[] args) {

EF3 ef= new EF3();
ef.Menu();
}
public void Menu(){
Scanner scn= new Scanner(System.in);
System.out.println("1. Escribir nuevo mensaje");
System.out.println("2. Ver mensajes");
System.out.println("3. Salir");
opcion=scn.nextInt();
switch(opcion){
case 1:
System.out.println("Escriba el mensaje");
cadena=scn.next();
Cifrar(cadena);
Menu();
case 2:
System.out.println("1. Mostrar cifrado");
System.out.println("2. Mostrar decifrado");
System.out.println("3. regresar");
opcion=scn.nextInt();
switch(opcion){
case 1:
for(int h=0;h<cadena.length(); h++){
System.out.print(cif[h]);
}
case 2:
Descifrar();
case 3:
Menu();
}
case 3:
System.exit(1);
}
}
public String Cifrar(String cadena){
cadena=this.cadena;
char[] scn =cadena.toCharArray();
for(int j=0;j<cadena.length();j++){
for (int i=0;i<=Alfb.length; i++){
if( String.valueOf(scn[j]).equals(Alfb[i])){
c = ((5*i + 11 ) % 26) + 1;
cif[j]=c;

}
}
}

return "cifrado";
}

public String Descifrar(){
for(int j=0;j<=cadena.length(); j++){
d= (ai * (cif[j] - 11))% 26;
System.out.print(Alfb[d]);
}

return "Descifrado";
}

}
79 changes: 79 additions & 0 deletions EF4.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,79 @@
package ef4;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.WindowConstants;

/**
*
* @author lenovo
*/
public class EF4 extends JFrame {

/**
* @param args the command line arguments
*/
JTextField txtentrada= new JTextField();
JButton boton= new JButton("Sumar");
JPanel contentPane= new JPanel();
JLabel label= new JLabel("Resultado");
public static void main(String[] args) {
EF4 ventana = new EF4();
ventana.show();

}
public EF4(){
setSize(250, 300);
setTitle("Sumadora");
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
setResizable(false);

contentPane = (JPanel) this.getContentPane();
contentPane.setLayout(null);

txtentrada.setSize(150,30 );
txtentrada.setLocation(40,95);
//txtentrada.setEnabled(true);
txtentrada.setVisible(true);
contentPane.add(txtentrada);

label.setSize(120, 30);
label.setLocation(50, 175);

label.setVisible(true);
contentPane.add(label);

boton.setSize(100,20);
boton.setLocation(45,150);
boton.setVisible(true);
boton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(java.awt.event.ActionEvent evt) {
ButtonResult(evt);
}

private void ButtonResult(ActionEvent evt) {

label.setText( getSuma(txtentrada.getText()));
}
});
contentPane.add(boton);

}

public String getSuma(String entrada){
String[] numeros = entrada.split(",");
int suma = 0;
//Realizar suma
for(String numero:numeros)
{
suma+=Integer.parseInt(numero);
}
return suma+"";
}
}
37 changes: 37 additions & 0 deletions EF5/Cola.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,37 @@
package tad;

/**
*
* @author lenovo
*/
public class Cola {

public Nodo primero;
public Nodo ultimo;


public Cola(int dato){
primero = new Nodo(dato);
ultimo = primero;
}

public void Encolar(int dato){
Nodo nuevo = new Nodo(dato);
ultimo.siguiente = nuevo;
ultimo = nuevo;
}

public int Desencolar(){
int dato = primero.dato;
primero=primero.siguiente;
return dato;
}

public void Imprimir(){
System.out.println("Salida de la cola");
while(primero!=null){
System.out.println(Desencolar());
}
}

}
11 changes: 11 additions & 0 deletions EF5/Fibonacci
Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
1
1
2
3
5
8
13
21
34
55
89
33 changes: 33 additions & 0 deletions EF5/ListaCircular.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,33 @@
package tad;

/**
*
* @author lenovo
*/
public class ListaCircular {

public Nodo primero;
public Nodo ultimo;

public ListaCircular(int dato){
primero = new Nodo(dato);
primero.siguiente=primero;
}

public void InsertarAlFinal(int dato){
Nodo nuevo= new Nodo(dato);
//ultimo.siguiente=nuevo;
ultimo=nuevo;
ultimo.siguiente=primero;
}

public void Imprimir(){
System.out.println("Salida de la Lista circular");
Nodo auxiliar = primero;
do {
System.out.println(auxiliar.dato);
auxiliar = auxiliar.siguiente;
} while (auxiliar!=primero);
}

}
32 changes: 32 additions & 0 deletions EF5/ListaDoble.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,32 @@
package tad;

/**
*
* @author lenovo
*/
public class ListaDoble {

public Nodo primero;

public ListaDoble(int dato){
primero = new Nodo(dato);

//
}

public void InsertarAlFrente(int dato){
Nodo nuevo= new Nodo(dato);
nuevo.siguiente=primero;
primero.anterior=nuevo;
primero=nuevo;
}

public void Imprimir(){
System.out.println("Salida de la Lista doble");
Nodo auxiliar = primero;
while(auxiliar!=null){
System.out.println(auxiliar.dato);
auxiliar = auxiliar.siguiente;
}
}
}
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