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Fragen im Vorstellungsgespräch: Senior developer

546

Fragen aus Vorstellungsgesprächen für senior developer, von Bewerbern geteilt

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How to convert an Optional string to integer without throwing exception

4 Antworten

use filter and map

Well its pretty basic. 1. Convert String into character array. 2. Check if Array's length = 48 && intValue <= 57) { int numValue = values[intValue - 48]; finalNumber += (numValue * Math.pow(10, power)); power--; } else { System.out.println("Not a number"); return; } } finalNumber *= multiplier; System.out.println(finalNumber); }

Program ___________________________________________ int[] values = {0,1,2,3,4,5,6,7,8,9}; String test = "-123"; char[] arr = test.toCharArray(); if(arr.length = 48 && intValue <= 57) { int numValue = values[intValue - 48]; finalNumber += (numValue * Math.pow(10, power)); power--; } else { System.out.println("Not a number"); return; } } finalNumber *= multiplier; System.out.println(finalNumber); }

technologies, not algorithms nor data structures

4 Antworten

Make recipe APIs for HelloFresh

4 Antworten

Given an array of numbers [1,3,3,5,9,4,1,10,9,7,2,7], Write a php function that will print numbers that are not duplicated in array. [5,4,10,2]

4 Antworten

What is Dependency injection

2 Antworten

Where we put the business logic in the MVC Design Pattern ?

2 Antworten

Developer going to the board and writing some html: "if you had to generate 200 items, how would you do this? Please write the code on the board" .

2 Antworten

Sample streamed data Please write a program stream-sampler that receives and processes an input stream consisting of single characters.

3 Antworten

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2 Antworten

Complexity of my solution was O(n) and used 2 passes Although the constant before n does not change the asymptotic complexity interviewers did not get it and got my solution as wrong.

2 Antworten
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