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mario.mgvs.mario.mg

PhoneWords

Strings

Fundamentals

PhoneWords.

Given a string of numbers, you must perform a method in which you will translate this string into text , following the next image.

for example if you want to translate the letter B, you will have to return 22.

here some samples.

443355555566604466690277733099966688 -> hello how are you.

55282->kata.

0 are spaces in the string
Given a string full of 0 return empty string.
Given a empty string , return empty string.
Given a null string , return empty string.
The string will not receive negative numbers.
return a lowercase string.

Code

Diff

import java.util.ArrayList;
import java.util.List;

public  class phoneWords{
  //Good luck
  public static String phoneWords(String str){
		char letra;
		StringBuilder mensaje = new StringBuilder();
		List<String> arrDos = new ArrayList<String>();
		arrDos.add("a");
		arrDos.add("b");
		arrDos.add("c");
		List<String> arrTres = new ArrayList<String>();
		arrTres.add("d");
		arrTres.add("e");
		arrTres.add("f");
		List<String> arrCuatro = new ArrayList<String>();
		arrCuatro.add("g");
		arrCuatro.add("h");
		arrCuatro.add("i");
		List<String> arrCinco = new ArrayList<String>();
		arrCinco.add("j");
		arrCinco.add("k");
		arrCinco.add("l");
		List<String> arrSeis = new ArrayList<String>();
		arrSeis.add("m");
		arrSeis.add("n");
		arrSeis.add("o");
		List<String> arrSiete = new ArrayList<String>();
		arrSiete.add("p");
		arrSiete.add("q");
		arrSiete.add("r");
		arrSiete.add("s");
		List<String> arrOcho = new ArrayList<String>();
		arrOcho.add("t");
		arrOcho.add("u");
		arrOcho.add("v");
		List<String> arrNueve = new ArrayList<String>();
		arrNueve.add("w");
		arrNueve.add("x");
		arrNueve.add("y");
		arrNueve.add("z");

		if(str.isBlank()) return ""; 
		for (int i = 0; i < str.length(); i++) {
			int cont = 0;
			letra = str.charAt(i);
			if(letra != '7' && letra != '9') {
				while (i != str.length() - 1 && str.charAt(i) == str.charAt(i + 1) && cont != 2) {
					cont++;
					i++;
				}	
			}else {
				while (i != str.length() - 1 && str.charAt(i) == str.charAt(i + 1) && cont != 3) {
					cont++;
					i++;
				}	
			}

			switch (letra) {
			case '0':
				mensaje.append(" ");
				break;
			case '2':
				mensaje.append(arrDos.get(cont));
				break;
			case '3':
				mensaje.append(arrTres.get(cont));
				break;
			case '4':
				mensaje.append(arrCuatro.get(cont));
				break;
			case '5':
				mensaje.append(arrCinco.get(cont));
				break;
			case '6':
				mensaje.append(arrSeis.get(cont));
				break;
			case '7':
				mensaje.append(arrSiete.get(cont));
				break;
			case '8':
				mensaje.append(arrOcho.get(cont));
				break;
			case '9':
				mensaje.append(arrNueve.get(cont));
				break;
			}
		}
   
    if(mensaje.toString().isBlank()) return "";
		return mensaje.toString();
	}
}

- import java.util.ArrayList;
- import java.util.List;
- public class phoneWords{
- ~~//good luck~~
- //Good luck
- public static String phoneWords(String str){
- char letra;
- StringBuilder mensaje = new StringBuilder();
- List<String> arrDos = new ArrayList<String>();
- arrDos.add("a");
- arrDos.add("b");
- arrDos.add("c");
- List<String> arrTres = new ArrayList<String>();
- arrTres.add("d");
- arrTres.add("e");
- arrTres.add("f");
- List<String> arrCuatro = new ArrayList<String>();
- arrCuatro.add("g");
- arrCuatro.add("h");
- arrCuatro.add("i");
- List<String> arrCinco = new ArrayList<String>();
- arrCinco.add("j");
- arrCinco.add("k");
- arrCinco.add("l");
- List<String> arrSeis = new ArrayList<String>();
- arrSeis.add("m");
- arrSeis.add("n");
- arrSeis.add("o");
- List<String> arrSiete = new ArrayList<String>();
- arrSiete.add("p");
- arrSiete.add("q");
- arrSiete.add("r");
- arrSiete.add("s");
- List<String> arrOcho = new ArrayList<String>();
- arrOcho.add("t");
- arrOcho.add("u");
- arrOcho.add("v");
- List<String> arrNueve = new ArrayList<String>();
- arrNueve.add("w");
- arrNueve.add("x");
- arrNueve.add("y");
- arrNueve.add("z");
- if(str.isBlank()) return "";
- for (int i = 0; i < str.length(); i++) {
- int cont = 0;
- letra = str.charAt(i);
- if(letra != '7' && letra != '9') {
- while (i != str.length() - 1 && str.charAt(i) == str.charAt(i + 1) && cont != 2) {
- cont++;
- i++;
- }
- }else {
- while (i != str.length() - 1 && str.charAt(i) == str.charAt(i + 1) && cont != 3) {
- cont++;
- i++;
- }
- }
- switch (letra) {
- case '0':
- mensaje.append(" ");
- break;
- case '2':
- mensaje.append(arrDos.get(cont));
- break;
- case '3':
- mensaje.append(arrTres.get(cont));
- break;
- case '4':
- mensaje.append(arrCuatro.get(cont));
- break;
- case '5':
- mensaje.append(arrCinco.get(cont));
- break;
- case '6':
- mensaje.append(arrSeis.get(cont));
- break;
- case '7':
- mensaje.append(arrSiete.get(cont));
- break;
- case '8':
- mensaje.append(arrOcho.get(cont));
- break;
- case '9':
- mensaje.append(arrNueve.get(cont));
- break;
- }
- }
- if(mensaje.toString().isBlank()) return "";
- return mensaje.toString();
- }
- }

mario.mgvs.Yeray.dezaC

PhoneWords

Strings

Fundamentals

Code

Diff

import java.util.ArrayList;
import java.util.List;

public  class phoneWords{
  //good luck
  public static String phoneWords(String str){
		char letra;
		StringBuilder mensaje = new StringBuilder();
		List<String> arrDos = new ArrayList<String>();
		arrDos.add("a");
		arrDos.add("b");
		arrDos.add("c");
		List<String> arrTres = new ArrayList<String>();
		arrTres.add("d");
		arrTres.add("e");
		arrTres.add("f");
		List<String> arrCuatro = new ArrayList<String>();
		arrCuatro.add("g");
		arrCuatro.add("h");
		arrCuatro.add("i");
		List<String> arrCinco = new ArrayList<String>();
		arrCinco.add("j");
		arrCinco.add("k");
		arrCinco.add("l");
		List<String> arrSeis = new ArrayList<String>();
		arrSeis.add("m");
		arrSeis.add("n");
		arrSeis.add("o");
		List<String> arrSiete = new ArrayList<String>();
		arrSiete.add("p");
		arrSiete.add("q");
		arrSiete.add("r");
		arrSiete.add("s");
		List<String> arrOcho = new ArrayList<String>();
		arrOcho.add("t");
		arrOcho.add("u");
		arrOcho.add("v");
		List<String> arrNueve = new ArrayList<String>();
		arrNueve.add("w");
		arrNueve.add("x");
		arrNueve.add("y");
		arrNueve.add("z");

		if(str.isBlank()) return ""; 
		for (int i = 0; i < str.length(); i++) {
			int cont = 0;
			letra = str.charAt(i);
			if(letra != '7' && letra != '9') {
				while (i != str.length() - 1 && str.charAt(i) == str.charAt(i + 1) && cont != 2) {
					cont++;
					i++;
				}	
			}else {
				while (i != str.length() - 1 && str.charAt(i) == str.charAt(i + 1) && cont != 3) {
					cont++;
					i++;
				}	
			}

			switch (letra) {
			case '0':
				mensaje.append(" ");
				break;
			case '2':
				mensaje.append(arrDos.get(cont));
				break;
			case '3':
				mensaje.append(arrTres.get(cont));
				break;
			case '4':
				mensaje.append(arrCuatro.get(cont));
				break;
			case '5':
				mensaje.append(arrCinco.get(cont));
				break;
			case '6':
				mensaje.append(arrSeis.get(cont));
				break;
			case '7':
				mensaje.append(arrSiete.get(cont));
				break;
			case '8':
				mensaje.append(arrOcho.get(cont));
				break;
			case '9':
				mensaje.append(arrNueve.get(cont));
				break;
			}
		}

		return mensaje.toString();
	}
}

- import java.util.ArrayList;
- import java.util.List;
- public class phoneWords{
- //good luck
- public static String phoneWords(String str){
- char letra;
- StringBuilder mensaje = new StringBuilder();
- List<String> arrDos = new ArrayList<String>();
- arrDos.add("a");
- arrDos.add("b");
- arrDos.add("c");
- List<String> arrTres = new ArrayList<String>();
- arrTres.add("d");
- arrTres.add("e");
- arrTres.add("f");
- List<String> arrCuatro = new ArrayList<String>();
- arrCuatro.add("g");
- arrCuatro.add("h");
- arrCuatro.add("i");
- List<String> arrCinco = new ArrayList<String>();
- arrCinco.add("j");
- arrCinco.add("k");
- arrCinco.add("l");
- List<String> arrSeis = new ArrayList<String>();
- arrSeis.add("m");
- arrSeis.add("n");
- arrSeis.add("o");
- List<String> arrSiete = new ArrayList<String>();
- arrSiete.add("p");
- arrSiete.add("q");
- arrSiete.add("r");
- arrSiete.add("s");
- List<String> arrOcho = new ArrayList<String>();
- arrOcho.add("t");
- arrOcho.add("u");
- arrOcho.add("v");
- List<String> arrNueve = new ArrayList<String>();
- arrNueve.add("w");
- arrNueve.add("x");
- arrNueve.add("y");
- arrNueve.add("z");
- if(str.isBlank()) return "";
- for (int i = 0; i < str.length(); i++) {
- int cont = 0;
- letra = str.charAt(i);
- if(letra != '7' && letra != '9') {
- while (i != str.length() - 1 && str.charAt(i) == str.charAt(i + 1) && cont != 2) {
- cont++;
- i++;
- }
- }else {
- while (i != str.length() - 1 && str.charAt(i) == str.charAt(i + 1) && cont != 3) {
- cont++;
- i++;
- }
- }
- switch (letra) {
- case '0':
- mensaje.append(" ");
- break;
- case '2':
- mensaje.append(arrDos.get(cont));
- break;
- case '3':
- mensaje.append(arrTres.get(cont));
- break;
- case '4':
- mensaje.append(arrCuatro.get(cont));
- break;
- case '5':
- mensaje.append(arrCinco.get(cont));
- break;
- case '6':
- mensaje.append(arrSeis.get(cont));
- break;
- case '7':
- mensaje.append(arrSiete.get(cont));
- break;
- case '8':
- mensaje.append(arrOcho.get(cont));
- break;
- case '9':
- mensaje.append(arrNueve.get(cont));
- break;
- }
- }
- return mensaje.toString();
- }
- }

mario.mgvs.mario.mg

PhoneWords

Strings

Fundamentals

Code

Diff

  public  class phoneWords{
  
  public static String phoneWords(String str){
    
    return "";
  }
  
  
  
}

- public class phoneWords{
- ~~public static String phoneWords(){~~
- public static String phoneWords(String str){
- return "";
- }
- }

Test Cases

Diff

import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;

// TODO: Replace examples and use TDD by writing your own tests

class SolutionTest {
    @Test
    void testSomething() {
        // assertEquals("expected", "actual");
    }
   
   @Test 
   void isEmpty(){
     	assertEquals("",phoneWords.phoneWords(""));
   }
  
}

- import org.junit.jupiter.api.Test;
- import static org.junit.jupiter.api.Assertions.assertEquals;
- // TODO: Replace examples and use TDD by writing your own tests
- class SolutionTest {
- @Test
- void testSomething() {
- // assertEquals("expected", "actual");
- }
- @Test
- void isEmpty(){
- assertEquals("",phoneWords.phoneWords(""));
- }
- }

mario.mgvs.mario.mg

Given a string of numbers, you must perform a method in which you will translate this string into text , following the next image.

for example if you want to translate the letter B, you will have to return 22.

here some samples.

443355555566604466690277733099966688 -> hello how are you.

55282->kata.

Given a empty string , return empty string.
The string will not receive negative numbers.
The String is not sensitive case.

Code

Diff

  public  class phoneWords{
  
  public static String phoneWords(){
    
    return "";
  }
  
  
  
}

- ~~public class Cifrado{~~
- public class phoneWords{
- ~~public static String cifrado(){~~
- public static String phoneWords(){
- return "";
- }
- }

mario.mg

Pruebas

Este ejercicio será un cifrado de números "7778711123898" y lo traducirá a letras según la marcación de télefono antigua.

public  class Cifrado{
  
  public static String cifrado(){
    
    return "";
  }
  
  
  
}

import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;

// TODO: Replace examples and use TDD by writing your own tests

class SolutionTest {
    @Test
    void testSomething() {
        // assertEquals("expected", "actual");
    }
}

mario.mg

Failed Tests

Will the delivery man arrive on time?

Arrays

Fundamentals

A delivery man has to deliver a package in 15 minutes,the address is in the coordinates [4][5], but his gps is not working right, will he arrive at time?.
Every move takes a minute.
Moves can be NORTH,SOUTH,EST,WEST.
Representing directions ['n','s','e','w'] (No case sensitive).
Also you can find a traffic jam, is represented by '/' and consumes 2 minutes.

Your task is to create a function that return true if he arrives on time, else return false.

Note: you will always receive a valid array containing a random assortment of direction letters ('n', 's', 'e', 'w' or '' only). It will never give you an empty array (return false).

public class ArriveAtTime{
  
  public static boolean arriveAtTime(char [] movements){
    
  }
}

import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;

// TODO: Replace examples and use TDD by writing your own tests

class SolutionTest {
   @Test
	void testSimple() {
	assertFalse(ArriveAtTime.arriveAtTime(new char[] {'n', 'E', 'N', 'E', 'W', 'S', 'W', 'N', 'W', 'S', 'S', 'E', 'S', 'E' , 'S'}));
	assertTrue(ArriveAtTime.arriveAtTime(new char[] {'n', 'N', 'N', 'N', 'E', 'E', 'E', 'E', 'E', 'E', 'S', 'e', 'S', 'E' , 'S'}));	
	assertFalse(ArriveAtTime.arriveAtTime(new char[] {'n', 'N', 'N', 'N', 'E', 'e', 'E', '/', '/', '/', 'S', 'E', 'S', 'E' , 'S'}));
	assertTrue(ArriveAtTime.arriveAtTime(new char[] {'N', 'N', 'N', 'n', 'S', 's', 'N', 'N', 'E', 'E', '/', 'E', 'E', 'E' , 'E'}));
	}
}

PhoneWords

PhoneWords

PhoneWords

PhoneWords

Pruebas

Will the delivery man arrive on time?

Confirm

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