Wavemaker Java Developer Interview Questions and Answers

Q1. Tell me about your self
Add your answer
Q2. First of all thank you for giving this opportunity. My self madhumitha I am from narasaraopet I completed by btech in krishnaveni engineering college for womens,kesanupalli in the year 2022 I completed my...read more
Add your answer

Explain about one topic

Q1. A technical round round is a job interview round that tests the candidates technical skills with respect to the concerned job requirements
Add your answer

Q1. About our family
Add your answer

Q1. Managerial round can cover a diverse range of discussion topics.
Add your answer

Q1. Selection process is to select right candidates with the required qualifications and capabilities to fill the vacancy in the organisation
Add your answer

Encapsulation, abstraction, interface

Q1. Encapsulation constructor method overloading
Add your answer
Q2. Interface abstracts
Add your answer

Q1. Why chose this company
Add your answer
Q2. Why should i hire you
Add your answer
Q3. How much salary you are expecting
Add your answer

Q1. What is the difference between abstract class and an interface in Java?
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have constructors, member variables, and methods, while interface cannot.

• A class can implement multiple interfaces but can only extend one abstract class.

• Abstract classes are used to define a common behavior among subclasses, while interfaces are used to define a contract for classes to impl...read more
Answered by AI
Add your answer
Q2. An abstract class can have method implements and abstract method, while an interface only contains abstract method (before Java 8) . Abstract classes support single inheritance, whereas interfaces support ...read more
Ans. 
Abstract classes can have both implemented and abstract methods, while interfaces can only have abstract methods. Abstract classes support single inheritance, interfaces support multiple inheritance.
• Abstract classes can have both implemented and abstract methods, providing more flexibility in design.

• Interfaces can only have abstract methods, promoting a more strict contract for implementing classes.

• Abstract classes sup...read more
Answered by AI
Add your answer

First I will give the altitude test

My coding knowledge is good and my coding speed is fast

Q1. How does JVM optimize method calls?
Add your answer
Q2. JVM just Just-In-Time (JIT) compilation, method inlining, and escape analysis for optimization.
Add your answer

Logical Reasoning, Verbal ability

Q1. Technical Questions base on languages
Add your answer

Q1. Document Verification, About yourself and family
Add your answer

Q1. What is the purpose of the volatile keyword?
Add your answer
Q2. It ensures visibility nd prevents instruction reordering in multi-threading.
Add your answer