Infosys Operations Executive Interview Questions, Process, and Tips

Simple aptitude test containing questions of numerical ability, reasoning.

Q1. Question were asked from resume only and from one programming language some basic questions like arrays, static, final definition.
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Q2. Sum of n natural number?
Ans. 
The sum of n natural numbers is calculated using the formula n(n+1)/2.
• The sum of n natural numbers can be calculated using the formula n(n+1)/2.

• For example, the sum of the first 5 natural numbers (1+2+3+4+5) is 15.

• The sum of the first n natural numbers can also be calculated using a loop or recursion.
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Q3. What is object oriented programming?
Ans. 
Object oriented programming is a programming paradigm that uses objects to represent and manipulate data.
• It focuses on encapsulation, inheritance, and polymorphism.

• Encapsulation is the practice of hiding data and methods within an object.

• Inheritance allows objects to inherit properties and methods from a parent object.

• Polymorphism allows objects to take on multiple forms or behaviors.

• Examples of object oriented program
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Q4. What is static keyword?
Ans. 
Static keyword is used to declare a variable or method that belongs to the class rather than an instance of the class.
• Static variables are shared by all instances of a class

• Static methods can be called without creating an instance of the class

• Static blocks are used to initialize static variables

• Static keyword can also be used to create nested classes

• Example: public static int count;
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Q5. How exception is handled in java?
Ans. 
Exceptions in Java are handled using try-catch blocks.
• Exceptions are thrown when an error occurs during program execution.

• The try block contains the code that may throw an exception.

• The catch block catches the exception and handles it appropriately.

• Multiple catch blocks can be used to handle different types of exceptions.

• The finally block is executed regardless of whether an exception is thrown or not.

• Example: try { //...read more
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Q1. Speak on some random topic for 5 min
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Online aptitude test contains English grammar, Reasoning, mathematics, basics of CS of duration 1 hour approximately.

Q1. All basic information related questions from Resume, some academic questions on CS, last year project.
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Q2. Do you have any questions for us? Candidates must ask a question in a humble way after this.
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Mainly focus on aptitude, reasoning, and English.

Q1. In this focus on oops concepts, Arrays, Strings.
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