Accenture Java Full Stack Developer Interview Questions, Process, and Tips

Q1. Write a java code to find second largest element
Ans. 
Java code to find second largest element in an array
• Sort the array in descending order

• Return the element at index 1 as the second largest element
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Q1. Core Java, Spring boot annotations, basic code flow, current role, angular basics
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Q1. Db optimizations, performance enhancements, query optimization, how to handle huge data etc
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Q1. Introduce yourself
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Q2. What was role in previous project
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Q3. What you worked on in previous project
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Q4. How much java and ui you know
Ans. 
I have strong knowledge and experience in Java programming and UI development.
• Proficient in Java programming language, including core concepts like OOP, multithreading, and collections

• Skilled in developing UI using technologies like HTML, CSS, JavaScript, and frameworks like React or Angular

• Experience in integrating backend Java code with frontend UI for full stack development

• Familiar with UI design principles and resp
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Q1. What is class and object in java
Ans. 
A class is a blueprint for creating objects in Java, while an object is an instance of a class.
• A class defines the properties and behaviors of objects.

• An object is created using the 'new' keyword followed by the class name.

• Multiple objects can be created from the same class.
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Q2. What is difference between object and instance in java
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An object is a physical entity in memory, while an instance is a specific realization of an object.
• An object is a general concept, while an instance is a specific occurrence of that concept.

• Objects are created using classes, while instances are created using the 'new' keyword.

• Each instance has its own state (values of attributes) and behavior (methods).

• Example: 'Car' is an object, while 'Toyota Camry' is an instance of
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Q3. What is heap and stack memory
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Heap and stack memory are two types of memory in computer systems. Heap memory is used for dynamic memory allocation, while stack memory is used for static memory allocation.
• Heap memory is used for storing objects and is managed by the JVM. It is larger in size compared to stack memory.

• Stack memory is used for storing method calls, local variables, and is limited in size. It follows Last In First Out (LIFO) order.

• Examp...read more
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Q4. How does string work in java meaning, how its stored and how its reference is saved in pool
Ans. 
Strings in Java are stored in the String pool, which is a special area in the Java heap memory.
• Strings in Java are immutable, meaning once a string is created, it cannot be changed.

• When a string is created in Java, it is stored in the String pool if it does not already exist.

• String literals are stored in the String pool, while strings created using the 'new' keyword are stored in the heap memory.

• String pool helps in sa...read more
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Q5. Some questions on my resume and previous project work
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Q6. Questions on spring boot and rest api
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Basic OOPs questions on java,
Write a java program to count the number of unique chars in a string
find the second and third maximum in a int array using stream

Q1. Explain the projects you have worked
Ans. 
I have worked on various projects including e-commerce websites, CRM systems, and mobile applications.
• Developed an e-commerce website using Java Spring framework

• Implemented a CRM system for managing customer data and interactions

• Worked on developing mobile applications using React Native
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Q2. Any critical situations you have faced due your Career
Ans. 
Yes, I have faced critical situations in my career such as handling production issues and resolving them under pressure.
• Handled a critical production issue where the application was down and impacting business operations. Quickly identified the root cause and implemented a fix to restore functionality.

• Managed a situation where a major feature release had a critical bug that caused data corruption. Worked with cross-fun...read more
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