Alfa Business Solutions Associate Application Engineer Interview Questions and Answers

Q1. Give me your introduction.
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Q1. What is @SpringbootAnnotation and what is difference between @Controller and @RestController.
Ans. 
SpringBootAnnotation is used to enable Spring Boot features in a Java application. @Controller is used for MVC pattern, @RestController is used for RESTful web services.
• SpringBootAnnotation is used to enable Spring Boot features like auto-configuration, component scanning, etc.

• @Controller is used for MVC pattern to handle web requests and return a view, while @RestController is used for RESTful web services to return d...read more
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Q2. What is Stream API write the Stream API Code any code and lambda expression.
Ans. 
Stream API in Java provides a way to process collections of objects in a functional style.
• Stream API allows for easy manipulation of collections using functional programming concepts like map, filter, and reduce.

• Example: List names = Arrays.asList("Alice", "Bob", "Charlie"); names.stream().filter(name -> name.startsWith("A")).forEach(System.out::println);

• Lambda expressions can be used with Stream API to define behavio...read more
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It was Easy to medium . overall good

It was Medium to tough level

Q1. What is fifo lifo
Ans. 
FIFO (First In, First Out) and LIFO (Last In, First Out) are inventory management methods.
• FIFO: Items that are added first are the first to be removed. Like a queue.

• LIFO: Items that are added last are the first to be removed. Like a stack.
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Q2. Whole data structure concepts
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Q1. What do you want to change in this country if you get a chance
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I would focus on improving access to quality education for all citizens.
• Implementing policies to ensure equal opportunities for education

• Investing in infrastructure and resources for schools in underserved areas

• Providing scholarships and financial aid for students from low-income families

• Promoting vocational training programs to address skills gaps in the workforce
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Q2. I don't remember
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Q1. WHAT IS sage FRONT END PROGRAMMING LANGUAGE
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Q2. WHAT ARE THE REGULAR COMPLAINS USERS GET ON SAGE
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Q1. Check if array is monotonous
Ans. 
Check if array of strings is monotonous
• Iterate through the array and compare each string with the next one to check for monotonicity

• If all strings are in increasing or decreasing order, the array is monotonous

• Examples: ['apple', 'banana', 'cherry'] is monotonous, ['orange', 'kiwi', 'apple'] is not
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Q1. Group Anagrams Leetcode question
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Q1. Explain your previous experience
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I have 5 years of experience as an Applications Engineer in the automotive industry.
• Designed and implemented software solutions for vehicle diagnostics

• Collaborated with cross-functional teams to troubleshoot and resolve technical issues

• Provided technical support to customers and conducted product demonstrations

• Developed training materials and conducted training sessions for internal teams

• Contributed to product developm...read more
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Q1. Mostly asked java 8 update and distinct number in given array and Multithreading
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Q2. 2 program based on java 8, array reverse
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Q1. What is the Java code for comparing two strings for equality?
Ans. 
Use the equals() method in Java to compare two strings for equality.
• Use the equals() method to compare two strings for equality.

• Example: String str1 = "hello"; String str2 = "hello"; if(str1.equals(str2)) { // strings are equal }
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Q1. Basic Questions related to Oops, SQL, MVC, C#
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Q2. Basic Coding on Stored Procedure
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Q1. Basics of SQL and pl sql
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Q2. About project tht you worked
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Q1. Java ,SQL,linix question
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