BeyondTheCloud: Code Challenge 1

BeyondTheCloudCodeChallenge1.js

// JAVA SCRIPT

// Problem

function build(productA, productB, productC) {
   let result = '';
   
   if (productA) {
      result += productA;
      if (productB) {
         result += productB;
         if (productC) {
            result += productC;
         }
      }
   }
   
   return result;
}

// Your code

// function build(...) {
   // Your code here
// }

// Test 1
console.assert('ABC' === build('A', 'B', 'C'));

// Test 2
console.assert('AB' === build('A','B',''));

// Test 3
console.assert('A' === build('A','','C'));

// Test 4
console.assert('' === build('','B','C'));

// APEX

public class CodeChallenge {
    public String build(String productA, String productB, String productC) {
        String result = '';
   
        if (String.isNotBlank(productA)) {
           result += productA;
           if (String.isNotBlank(productB)) {
              result += productB;
              if (String.isNotBlank(productC)) {
                 result += productC;
              }
           }
        }
        
        return result;
    }
}

// Your code

// public class CodeChallenge {
//     public String build(String productA, String productB, String productC) {
//       // Your code here
//     }
// }
   
// Test 1
Assert.isTrue('ABC' == new CodeChallenge().build('A', 'B', 'C'));

// Test 2
Assert.isTrue('AB' == new CodeChallenge().build('A','B',''));

// Test 3
Assert.isTrue('A' == new CodeChallenge().build('A','','C'));

// Test 4
Assert.isTrue('' == new CodeChallenge().build('','B','C'));

is it simpler? :)

function build(productA= '', productB= '', productC= '') {
    if (productA) {
        return (productB ? productA + productB + productC : productA + productB);
    }
    return '';
}

// JAVA SCRIPT
function build(...args) {
    let result = "";
    for (let product of args) {
        if (product === "") return result;
        result += product;
    }
    return result;
}


// Test 1
console.assert("ABC" === build("A", "B", "C"));

// Test 2
console.assert("AB" === build("A", "B", ""));

// Test 3
console.assert("A" === build("A", "", "C"));

// Test 4
console.assert("" === build("", "B", "C"));

// APEX
public class CodeChallenge {
    public String build(String productA, String productB, String productC) {
        String result = '';

        for (String product : new List<String>{productA, productB, productC}) {
            if (String.isBlank(product)) return result;
            result += product;
        }

        return result;
    }
}

// Test 1
Assert.isTrue('ABC' == new CodeChallenge().build('A', 'B', 'C'));

// Test 2
Assert.isTrue('AB' == new CodeChallenge().build('A', 'B', ''));

// Test 3
Assert.isTrue('A' == new CodeChallenge().build('A', '', 'C'));

// Test 4
Assert.isTrue('' == new CodeChallenge().build('', 'B', 'C'));

// JAVA SCRIPT
function build(...args) {
    let result = "";
    for (let product of args) {
        if (product === "") return result;
        result += product;
    }
    return result;
}


// Test 1
console.assert("ABC" === build("A", "B", "C"));

// Test 2
console.assert("AB" === build("A", "B", ""));

// Test 3
console.assert("A" === build("A", "", "C"));

// Test 4
console.assert("" === build("", "B", "C"));

// APEX
public class CodeChallenge {
    public String build(String productA, String productB, String productC) {
        String result = '';

        for (String product : new List<String>{productA, productB, productC}) {
            if (String.isBlank(product)) return result;
            result += product;
        }

        return result;
    }
}

// Test 1
Assert.isTrue('ABC' == new CodeChallenge().build('A', 'B', 'C'));

// Test 2
Assert.isTrue('AB' == new CodeChallenge().build('A', 'B', ''));

// Test 3
Assert.isTrue('A' == new CodeChallenge().build('A', '', 'C'));

// Test 4
Assert.isTrue('' == new CodeChallenge().build('', 'B', 'C'));

I like that @Damecek !