Konstant Infosolutions Android Developer Interview Questions and Answers

20 questions were there and enough time was given. Questions were easy to medium

Q1. Basics of programming were asked. You will be asked to make logic for the given problem.
Add your answer
Q2. Star pattern, Fibonacci series, swap two numbers without third variable
Add your answer

Q1. They simply check your communication skills and behaviour
Add your answer

Java basics questions. Some patterns to print and oops concepts

Q1. Introduction and why you join software industry
Ans. 
I joined the software industry because of my passion for problem-solving and creating innovative solutions.
• Passion for problem-solving

• Interest in technology and innovation

• Opportunity to create impactful solutions

• Love for coding and programming

• Desire to be part of a fast-paced and dynamic industry
Answered by AI
Add your answer
Q2. What is your salary expectation
Ans. 
I expect a competitive salary based on my skills, experience, and the market rate for software developers.
• Consider the average salary range for software developers in your location

• Research the salary range offered by similar companies in the industry

• Factor in your years of experience and any specialized skills you possess

• Be prepared to negotiate and discuss benefits in addition to salary

• Example: I expect a salary in th
Answered by AI
Add your answer

Q1. They arrange with under experienced interviewer any one can pass through it
Add your answer

Q1. HR round will honey bath one you as you treat as a king
Add your answer

Q1. In trend java questions
Add your answer

Q1. Advance java questions, questions related to microservice and java 8
Add your answer

Q1. What is the difference between an abstract class and an interface in object-oriented programming?
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have method implementations, while interface cannot.

• A class can implement multiple interfaces, but can only inherit from one abstract class.

• Interfaces are used to define contracts for classes to implement, while abstract classes are used to provide a common base for subclasses.

• Example: Abstr...read more
Answered by AI
Add your answer
Q2. Abstract classes can have implemented methods; interfaces can only have declarations (before JAVA 8).
Add your answer

Q1. Hoisting and scope
Add your answer
Q2. Map, reduce, filter
Add your answer
Q3. Const, let and var difference
Ans. 
const, let, and var are used to declare variables in JavaScript with different scoping and mutability.
• const: declares a variable with a constant value that cannot be reassigned

• let: declares a block-scoped variable that can be reassigned

• var: declares a function-scoped variable that can be reassigned
Answered by AI
Add your answer

Create a small UI in 1 hour

Q1. Everthing about android and java
Add your answer

Q1. About interview how was the interview
Add your answer

Q1. How do you the display a Toast message in Android?
Ans. 
To display a Toast message in Android, use the Toast class and call the makeText() method.
• Create a Toast object by calling Toast.makeText() method with context, message, and duration parameters

• Call show() method on the Toast object to display the message on the screen
Answered by AI
Add your answer
Q2. Toast.make Text(context, "Hello World",Toast.LENGTH_SHORT).show();
Add your answer