IBM Fullstack Java Developer Interview Questions and Answers

Q1. Introduce yourself ?
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Q2. What are the courses you are familiar with ?
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Q3. Explain oops concept in java
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OOPs concept in Java is a programming paradigm that focuses on objects and their interactions.
• OOPs stands for Object-Oriented Programming.

• It involves the use of classes, objects, inheritance, polymorphism, and encapsulation.

• Classes are blueprints for creating objects, and objects are instances of classes.

• Inheritance allows classes to inherit properties and behaviors from other classes.

• Polymorphism allows objects of dif...read more
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Q4. Write a palindrome program in java
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A palindrome program in Java checks if a given string is the same when read forwards and backwards.
• Convert the string to lowercase to ignore case sensitivity.

• Use two pointers, one starting from the beginning and the other from the end of the string.

• Compare the characters at the two pointers, moving them towards the center until they meet or cross each other.

• If at any point the characters are not equal, the string is no...read more
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Q5. Create a table questions in mysql
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Creating a table named 'questions' in MySQL.
• Use the CREATE TABLE statement to create the table.

• Specify the table name, column names, and their data types.

• Set primary key, foreign key, and other constraints if required.

• Add any additional properties like auto-increment, default values, etc.

• Execute the SQL statement to create the table.
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Q1. Java common question on hashmap, stream api
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General aptitude, logical reasoning, english and Pseudocodes

Q1. Self introduction Project- details, role Programming- Variables, recursion, Features,Arrays, strings, write prime number program.
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Q1. Hashmap inter working, arraylist internal working, concurrent hashmap, comprator vs comprable, list, set, queue, transient vs volatile, Serializable, executor framework,
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Q2. Java 8 features especaily stream
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Q1. What are your salary expectations?
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I am open to discussing salary based on the responsibilities and requirements of the position.
• I am flexible and open to negotiation.

• I am looking for a competitive salary based on my skills and experience.

• I would like to be compensated fairly for the value I can bring to the company.

• I am interested in discussing the overall compensation package, including benefits and bonuses.
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Q2. What is your family background?
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My family background is diverse and multicultural, with members from different countries and professions.
• My parents are from different countries, which has exposed me to different cultures and languages.

• My father is a doctor and my mother is an engineer, which has influenced my interest in both medicine and technology.

• I have relatives who are teachers, artists, and entrepreneurs, which has broadened my perspective on v...read more
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Q3. Why are you looking for a change?
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Looking for new challenges and growth opportunities.
• Seeking a more challenging role to enhance my skills and knowledge.

• Interested in working with new technologies and frameworks.

• Want to be part of a dynamic and innovative team.

• Desire for career growth and advancement.

• Looking for a better work-life balance.
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Q4. Where do you see yourself in 5 years?
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In 5 years, I see myself as a highly skilled Fullstack Java Developer, leading a team and working on complex projects.
• Leading a team of developers

• Working on complex projects

• Continuously improving my skills

• Contributing to the success of the company
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Q5. Tell me about yourself.
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I am a Fullstack Java Developer with experience in developing web applications using Java, Spring, and JavaScript.
• I have a strong understanding of Java programming language and its frameworks like Spring and Hibernate.

• I am proficient in front-end technologies like HTML, CSS, and JavaScript.

• I have experience in developing RESTful APIs and working with databases like MySQL and MongoDB.

• I am familiar with Agile development...read more
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Q1. Q1 - tell me about yourself After my introduction he directly jump into coding and asked me simple array manipulation question. Q3 - balanced string - you have a String = "()()()" or "(()" or "(()). The ou...read more
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Q1. The interviewers don't know how to speak English and are worst in communication. Q1 - Convert int a=123 to string. I told him you can do it with in built method but he asked me to do without it. I told h...read more
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Q1. Java api calling from angular application and all security and integration related question.
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Q2. Project structure related question
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Q1. Project structure design patterns
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Q1. Question related in resume skills and for company improvement knowledge
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Q2. Personal information
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4 senior interviewer in group discus