Infosys Senior System Engineer 1 Interview Questions, Process, and Tips

Easy questions asked

Easy coding mcqs and no coding hands-on were asked

Q1. Asked about your final year project and some basic questions of java oops concepts
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Q2. Inheritance and its types
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Inheritance is a concept in object-oriented programming where a class inherits attributes and methods from another class.
• Types of inheritance include single inheritance, where a class inherits from only one parent class, and multiple inheritance, where a class inherits from multiple parent classes.

• Other types include hierarchical inheritance, where one class serves as a parent for multiple child classes, and hybrid inh...read more
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Q3. Abstraction and give one example
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Abstraction is the process of hiding complex details and showing only the essential features of an object.
• Abstraction allows us to focus on what an object does instead of how it does it

• One example of abstraction is a car - we don't need to know how the engine works to drive it

• Another example is a smartphone - we use it for communication without knowing the technical details of its hardware
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Q4. Write a code to add two numbers
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Code to add two numbers in Python
• Declare two variables to store the numbers

• Use the '+' operator to add the numbers

• Return the sum
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Q5. Why Strings are immutable
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Strings are immutable in Java to ensure data integrity and security.
• Immutable strings prevent accidental changes to data

• String pool optimization is possible due to immutability

• Security is enhanced as strings cannot be modified after creation
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Python question mostly basic and advance

Q1. What is your salary expectation
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Q1. Regarding Domain like they will ask what is your previous work based on your work they will start asking questions
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Q2. They had asked can you learn new technology
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Q1. Sql topics such as joins, group by etc
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It consist of aptitude and logical reasoning

Q1. They had asked about my previous project and related questions
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Q1. Basics of reacts
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