Fiserv Interview Questions, Process, and Tips

Assignment is easy with some case study questions

Q1. Normal basic questions regarding ratios, financial and credit analysis
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Q1. Tell me about yourself?
Ans. 
Experienced technical lead with a strong background in software development and project management.
• Over 8 years of experience in leading technical teams and delivering successful projects

• Proficient in various programming languages such as Java, Python, and JavaScript

• Skilled in Agile methodologies and implementing best practices for software development

• Strong communication and leadership skills, able to collaborate effe
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Q1. COBOL functions.
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Q2. File Management
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The topic was -> "One nation one election"

Q1. What is a String pool in Java?
Ans. 
String pool in Java is a pool of unique strings stored in memory to optimize memory usage.
• String pool is a part of Java's memory where unique string literals are stored.

• When a new string is created, Java checks if it already exists in the pool to save memory.

• Strings created using double quotes are added to the pool, while those created using 'new' keyword are not.

• Example: String str1 = "hello"; String str2 = "hello"; /...read more
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Q2. Explain different types of exception in Java.
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Java has checked and unchecked exceptions. Checked exceptions must be handled at compile time, while unchecked exceptions do not need to be handled explicitly.
• Checked exceptions: Must be caught or declared in the method signature. Example: IOException, SQLException

• Unchecked exceptions: Do not need to be caught or declared. Example: NullPointerException, ArrayIndexOutOfBoundsException
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Q1. Basics of api Testing
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Q1. Basics of automation framework
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Q1. Work experience
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DSA questions were asked.

Topic was blockchain

Q1. Oops questions - inheritance, polymorphism
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Q2. SQL questions - queries on joins and basic ones
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Q1. Sql query to join 3 table with condition
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Use SQL JOIN to combine 3 tables with a specific condition.
• Use INNER JOIN to combine the tables based on a common column

• Specify the condition in the ON clause of the JOIN statement

• You can also use LEFT JOIN or RIGHT JOIN depending on your requirement
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Q2. About ITIL, Agile
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