Given and array. How do you find if there are such three numbers whose sum is Zero. What is the cost of this algorithm?
Desarrollador Java Interview Questions
Desarrollador Java Interview Questions
En una entrevista para un puesto de desarrollador Java, prepárate para responder preguntas técnicas destinadas a evaluar tus conocimientos básicos de Java. El posible que también te formulen preguntas abiertas para evaluar tus habilidades de programación y de resolución de problemas. Prepárate para afrontar preguntas no técnicas centradas en tus habilidades de comunicación interpersonal, de organización del tiempo y de ética en el trabajo.
Preguntas de entrevista más frecuentes para desarrollador/a Java y cómo responderlas
Pregunta n.º 1: ¿Cuál es la diferencia entre HashTable y HashMap en Java?
Pregunta n.º 2: Escribe un programa para determinar si 243 es un número Armstrong.
Pregunta n.º 3: ¿Cómo lograrías elaborar código de calidad si tuvieras que simultanear varios proyectos Java?
710,996 desarrollador java interview questions shared by candidates
You are given an array of integers, a1, that have sequential integers 1 through n. ( { 1,2,3,4,5 } or { 1,2,3 } or any other array) You are also given an array of integers, a2, that also have numbers 1 through n, but are not in sequential order and are missing one of the numbers between 1 and n. Find the missing number in a2. Did you check for special cases? Can you do this in O(n) runtime?
1) 6 hours problem - Walls and Guards, use triple loop as a solutions and matrix. 2) Live coding question - 3 boxes with apples, oranges and apple and oranges, famous problem.
You are given a number n, you have to find all prime numbers from 1 upto n and print them (or save them in an array). A varriation is (which changes the answer) is you are given two numbers m and n and you are to find all prime numbers between them.
Swap two variables without using a temp.
Which programming language you most familiar with?
Check if a String contains a number or not
There is an array of size n which consists of any numbers from 1 to n .Find the numbers in the array which are appear more than once
Given a dictionary as a hashtable and a word. Find the minimum # of deletions needed on the word in order to make it a valid word in the dictionary.
write a function to calculate X^N
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