Cognizant Application Support Engineer 2 Interview Questions and Answers

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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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. Database based questions
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Q2. Dashboard creative
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Q3. Power BI module
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Q1. Project discussion
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Q2. Self introduction
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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. 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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Q1. Basics of Core Python concepts like Loops, Lambda functions.
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Q2. Check if a string is Palindrome or not.
Ans. 
Check if a string is Palindrome or not.
• Create a function to compare the original string with its reverse

• Ignore spaces and punctuation when checking for palindrome

• Examples: 'racecar' is a palindrome, 'hello' is not
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Q3. Questions of Sql.
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Q1. What questions were asked regarding the projects you worked on, and what specific technicalities were included?
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Q2. Questions on Django, Flask and REST API services.
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Q1. Regarding application
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Q2. Regarding program
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Q1. Related to manage customer
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Q2. How to tackle end users
Ans. 
Tackling end users involves effective communication, patience, and problem-solving skills.
• Listen actively to understand their issues

• Communicate clearly and patiently

• Provide step-by-step instructions or guidance

• Empathize with their frustrations

• Offer solutions or workarounds

• Follow up to ensure the issue is resolved
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How to write code regarding customer

Case study regarding related to project

Q1. HR manager one on one round
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Application project management