PeteGabriel

#ow do you define a class, instance and global variables

#simple class. Scope is defined until the 'end' keyword
#at the bottom of the file.
class MyPost
  #global variables are defined by being in all caps
  #the interpreter knows this is not to be modified.
  MY_POST_DATE = "Saturday, December 19"
  
  #this represent the '.new' method we call when creating a new 

PeteGabriel

#How modules are defined and how they provide the mixin functionality

module Utils
  #this method belongs to the namespace defined by the module
  #It will not go out of this scope
  def self.nil(obj)
    obj.nil?
  end
  
  #this one will be made available to any class that require/include

PeteGabriel

package blog.pedro.gabriel.dev;
public class Main {

    public static void main(String[] args) {
	    Person femalePerson = new Female("Female");
	    Person malePerson = new Male("Male");

        try{
            Person person = (Female) femalePerson;
            Person person2 = (Male) malePerson;

PeteGabriel

public class Display extends AppCompatActivity {

    private static final String COUNTER_KEY = "counter_key";
    private static final java.lang.String LAST_ORIENTATION_KEY = "orient_key";

    private int mHowManyRotations;
    
    private int mLastOrientation;

    private TextView mDisplay;

PeteGabriel

"use strict";

function mapReduce(arr, mapProc, reduceProc, seed){
	return arr.map(mapProc).reduce(reduceProc, seed);
}

//this way we can apply the function to every array we create in our programm.
Array.prototype.mapReduce = function (mapProc, reduceProc, seed){
	return this.map(mapProc).reduce(reduceProc, seed);
}

PeteGabriel

using System;
using System.Net.Http;
using System.Web.Http;

namespace TypesOfRouting
{
    [RoutePrefix("api/message")]
    public class AttrController : ApiController
    {

PeteGabriel

namespace TypesOfRouting
{
    public class HelloController : ApiController
    {
        public String Get()
        {
            return "Hello World";
        }
    }
}

PeteGabriel

using System;
using System.Collections.Generic;
using System.IO;

namespace writereadfiles
{
    class Program
    {
        private const string NewFilePath = "new_file.txt";
        private const string FileToReadPath = "file_to_read.txt";

PeteGabriel

package com.company;

import java.io.BufferedWriter;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.LinkOption;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Optional;

PeteGabriel

namespace WebApplication1.Controllers
{
    public class HomeController : ApiController
    {
        //Complex types come from the body. We must explicitly say this one comes from the URI.
        public IHttpActionResult GetIndex([FromUri] Interval interval)
        {
            if (interval.After == -1 || interval.Before == -1) return BadRequest("Invalid Parameters");
            return interval.isIntervalCorrect() ?
                (IHttpActionResult) Ok("Correct Interval") : Ok("Incorrect Interval");