alvareztech

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.JOptionPane;
import javax.swing.JTextField;

/**
 * Clase Ventana

alvareztech

package tech.alvarez.today;

import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.Toast;

alvareztech

package com.danielalvarez.formulario;

import android.content.Intent;
import android.os.Bundle;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.view.View;

public class MainActivity extends AppCompatActivity {

alvareztech

package tech.alvarez;

public class Constantes {

    public static final int SIN_ESPECIALIDAD = 0;
    public static final int ESPECIALIDAD_ODONTOLOGIA = 1;
    public static final int ESPECIALIDAD_NEUROLOGIA = 2;
    public static final int ESPECIALIDAD_PEDIATRIA = 3;

}

alvareztech

package tech.alvarez;

import java.util.ArrayList;

public class EjemploArrayList {

    public static void main(String[] args) {

        ArrayList<Estudiante> l = new ArrayList<Estudiante>();

alvareztech

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="tech.alvarez.today">

    <uses-permission android:name="android.permission.INTERNET" />

    <application
        android:name=".TodayApp"
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"

alvareztech

package tech.alvarez;

import java.util.Stack;

public class Main {

    public static void main(String[] args) {

        Stack<Libro> pila = new Stack<Libro>();

alvareztech

import java.util.Scanner;

/**
 * Clase para ejecutar el algoritmo para generar una matriz caracol cuadrada
 * @author Daniel Alvarez
 */
public class Main {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);

alvareztech

public String getJsonFromUrl(String urlString) {
    StringBuilder result = new StringBuilder();
    HttpURLConnection urlConnection = null;
    try {
        URL url = new URL(urlString);
        urlConnection = (HttpURLConnection) url.openConnection();
        InputStream in = new BufferedInputStream(urlConnection.getInputStream());
        BufferedReader reader = new BufferedReader(new InputStreamReader(in));
        String line;
        while ((line = reader.readLine()) != null) {

alvareztech

package tech.alvarez;

import java.util.PriorityQueue;
import java.util.Queue;

public class Main {
  
    public static void main(String[] args) {
        Queue<Persona> cola = new PriorityQueue<Persona>();