Amdocs Software Developer Interview Questions, Process, and Tips

Q1. Code to find duplicate code to reverse the stack merge sort basic sql queries
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Q1. Introduction strength and weakness normal hr questions
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Q1. What is springboot?
Ans. 
Spring Boot is a Java-based framework used for creating standalone, production-grade Spring-based Applications.
• Spring Boot simplifies the process of creating Spring applications by providing a set of default configurations.

• It allows developers to quickly set up and run standalone Spring applications with minimal configuration.

• Spring Boot includes embedded servers like Tomcat, Jetty, or Undertow, making it easy to deplo...read more
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Q2. Name any 3 annotations and how they work
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Annotations in Java are used to provide metadata about a program, which can be used by the compiler or at runtime.
• 1. @Override - Indicates that a method overrides a method in its superclass.

• 2. @Deprecated - Marks a method as deprecated, meaning it should no longer be used.

• 3. @SuppressWarnings - Suppresses compiler warnings for a given part of the code.
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You need to know basic maths, English, DBMS and basic functionalities of java and there output

Need to code ,coding question of java and query related questions using SQL/MYSQL

Q1. Amdocs only want to know do you know :- 1- OOPS concept and there real life examples 2- Database management system eg data reduncy , how to use SQL/MYSQL commands 3- What type of company is Amdocs 4- If y...read more
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Q1. 1- What are your hobbies 2- Define your personality 3- Your interest Don’t forget to tell if you are a sporty, musicial, dancer kind person.
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It will be basic SQL related queries and some snippet of small codes and some English paragraph with questions.

Q1. 1)Questions like String class, data abstraction, polymorphism, vector and its methods.
Ans. 
Questions related to fundamental concepts and classes in software development.
• String class is used to manipulate strings of characters.

• Data abstraction is a technique to hide implementation details and only expose necessary information.

• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• Vector is a dynamic array that can resize itself as needed.

• Some vector methods include pus
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Q2. Regards linux OS and its basic cmd
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Q3. What is multithreading and POSIX thread and its synchronisation .
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Q4. What is process and its synchronisation
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Process is a program in execution. Synchronization is the coordination of multiple processes or threads.
• Process is a program in execution that has its own memory space and resources.

• Synchronization is the coordination of multiple processes or threads to ensure they do not interfere with each other.

• Synchronization can be achieved through various mechanisms such as locks, semaphores, and monitors.

• Examples of synchronizat...read more
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Q5. What is mutex and its systax
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Mutex is a synchronization object used to prevent multiple threads from accessing shared resources simultaneously.
• Mutex stands for mutual exclusion.

• It is used to protect shared resources from race conditions.

• Mutex provides exclusive access to a shared resource.

• Syntax: pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;

• Example: pthread_mutex_lock(&mutex); // acquire lock

• pthread_mutex_unlock(&mutex); // release lock
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Q6. Real time use of synchronisation
Ans. 
Synchronization is used to ensure consistency and avoid conflicts in real-time systems.
• Real-time systems require synchronization to ensure that data is consistent and up-to-date across multiple devices or processes.

• Synchronization can be achieved through various techniques such as locks, semaphores, and message passing.

• Examples of real-time systems that use synchronization include stock trading platforms, online gaming
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Q7. What is volatile keyword and its Real time use
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Volatile keyword is used to indicate that a variable's value can be changed unexpectedly.
• It is used in multi-threaded programming to ensure that the value of a variable is always up-to-date and consistent across all threads.

• It prevents the compiler from optimizing code that accesses the variable, ensuring that the variable is always read from memory and not from a cache.

• Examples include hardware registers, shared memor...read more
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Q1. Console.log([] === []) ??
Ans. 
No, they are not equal because they are two separate instances of arrays.
• Empty arrays are two separate instances, so they are not strictly equal.

• Comparing two empty arrays with strict equality will return false.
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Q2. Explain useCallback
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useCallback is a React hook that returns a memoized callback function
• Returns a memoized callback function

• Helps optimize performance by preventing unnecessary re-renders

• Useful when passing callbacks to child components
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Online coding round , java 8 , exceptional handling

Online interview round