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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?
711,542 desarrollador java interview questions shared by candidates
What about the company interested you to apply
How would you triage and go about fixing infrastructure problems? Giving an input file, get the number of lines matching a specific piece of text using bash scripting. Give the percentage of lines in the file that match that string.
Tell me 3 hobbies. Not 2 or 4, only 3.
Why do you want to join wipro?
1) I have class hierarchy and should create array of different instances of this hierarchy. They asked me to write a function which iterates this array and executes different methods according to the instance class. I suggested that downcasting is a bad idea and that it can violate Liskov substitution rule of the SOLID principles, and this problem should be solved using collections and generics, but they did not accept this answer 2) Create Queue N size using only N size array. 3) some Java concurrency related questions: synchronized volatile, atomic, etc....
Use javascript to covert string into number without using any direct method.
define and Explain polymorphism in OOP with example.
What is the size og following structuires when packing is allowed and not allowed. Struct A { char c; int i; } Struct B {int i; char c; } Struct C { char c1; int i; char c2; }
Java program in round 3 was the most difficult question in my case. A matrix halfly-filled with numbers - almost randomly was given . And You need to fill the blank matrix of same size with those numbers in similar arrangement in a program using 2D arrays and loops.
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