Accenture Application Developer Interview Questions, Process, and Tips

Q1. What is Python? Advantages over other languages.
Ans. 
Python is a high-level programming language known for its simplicity and readability.
• Easy to learn and use

• Extensive standard library

• Versatile - used for web development, data analysis, artificial intelligence, etc.

• Cross-platform compatibility

• Strong community support
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Q2. Difference between table and stored procedure?
Ans. 
Tables store data in rows and columns, while stored procedures are precompiled SQL statements that can be executed.
• Tables store data in a structured format with rows and columns

• Stored procedures are precompiled SQL statements that can be executed

• Tables are used to store and organize data, while stored procedures are used to perform specific tasks or operations on the data

• Stored procedures can improve performance by red...read more
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Q1. How to improve Spring Security
Ans. 
Improving Spring Security involves regular updates, strong password policies, implementing multi-factor authentication, and monitoring for suspicious activity.
• Regularly update Spring Security to the latest version to patch any vulnerabilities

• Implement strong password policies, such as requiring complex passwords and regular password changes

• Enable multi-factor authentication to add an extra layer of security for user lo...read more
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Q2. How to add external server on Spring boot
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To add an external server on Spring Boot, you can configure the server properties in the application.properties file.
• Define the server properties in the application.properties file, such as server.port, server.address, etc.

• Specify the external server details like host and port in the properties file.

• Use the @Value annotation to inject the server properties into your Spring Boot application.

• You can also use the @Configu...read more
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Q1. What is Checked and unchecked exception ?
Ans. 
Checked exceptions are checked at compile time, while unchecked exceptions are not.
• Checked exceptions must be either caught or declared in the method signature using 'throws' keyword

• Unchecked exceptions do not need to be caught or declared

• Examples of checked exceptions: IOException, SQLException

• Examples of unchecked exceptions: NullPointerException, ArrayIndexOutOfBoundsException
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Q2. Difference Between hashMap and concurrentHashMap ?
Ans. 
HashMap is not thread-safe while ConcurrentHashMap is thread-safe.
• HashMap is not thread-safe and can lead to ConcurrentModificationException if modified while iterating.

• ConcurrentHashMap allows concurrent modifications without the need for external synchronization.

• ConcurrentHashMap uses separate locks for different segments, allowing multiple threads to read and write concurrently.

• ConcurrentHashMap is more suitable for
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MCQ questions related to technology

Q1. Java 8 features
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Q2. Oops concepts very detailed questions
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Q1. Project related questions
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Q2. Spring boot topics like annotations, beans, bean scope
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Q1. What is Polymorphism in CPP
Ans. 
Polymorphism in CPP allows objects of different classes to be treated as objects of a common superclass.
• Polymorphism allows for functions to be called on objects of different classes through a common interface.

• There are two types of polymorphism in CPP: compile-time (function overloading, operator overloading) and runtime (virtual functions).

• Example: A base class 'Shape' with virtual function 'draw()' can have subclass...read more
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Q2. Difference between For and While loop
Ans. 
For loop is used when the number of iterations is known, while loop is used when the condition is true.
• For loop is used when the number of iterations is known beforehand.

• While loop is used when the condition needs to be checked before each iteration.

• For loop is more concise and easier to read for simple iterations.

• While loop is more flexible and can handle complex conditions.

• Example: for(int i=0; i<5; i++) { //code }

• Ex
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Q3. Write a program to implement do while loop
Ans. 
A do while loop is a control flow statement that executes a block of code at least once, and then repeatedly executes the block as long as a specified condition is true.
• Initialize a variable outside the loop

• Use the do keyword to start the loop

• Write the code block to be executed inside the loop

• Use the while keyword followed by the condition to continue the loop
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Q4. What is exception handling
Ans. 
Exception handling is a mechanism to handle errors or exceptional situations in a program.
• It allows the program to gracefully handle unexpected situations without crashing.

• Exceptions can be caught and handled using try-catch blocks.

• Common exceptions include NullPointerException, ArrayIndexOutOfBoundsException, and IOException.

• Exception handling helps in improving the robustness and reliability of the software.
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Q5. Swap two integers without temp variable
Ans. 
Use bitwise XOR operation to swap two integers without a temp variable.
• Use XOR operation to swap two integers: a ^= b, b ^= a, a ^= b

• Example: int a = 5, b = 10; a ^= b; b ^= a; a ^= b; // Now a = 10, b = 5
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Q1. Dot net related question
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Q2. Database related question
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Q1. Deployment questions
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Q2. Behaviour questions
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