Wipro System Admin Interview Questions and Answers

Q1. Tech round of interview
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Q1. Technical rpund of interview
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Q1. General abou project details
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MCQ , C Programming Question

Meidum Level Coding Question I got reject in that round

Reasoning arthemetic

Basic coding skills technical questions

Consist of Logical and English aptitude questions.

Q1. One-on-One interview
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Q1. What is oops concepts in Java
Ans. 
Oops concepts in Java refer to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability of a method to do different things based on the object it is acting upon.

• Abstraction: Hiding the imp...read more
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Q2. What is a collections in java
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Collections in Java refer to classes and interfaces that implement data structures like lists, sets, and maps.
• Collections provide a way to store and manipulate groups of objects in Java

• Examples include ArrayList, LinkedList, HashSet, and HashMap

• Collections framework includes interfaces like List, Set, Map, and classes like ArrayList, HashSet, and HashMap
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Q3. What is list and set in java
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List and Set are both interfaces in Java used to store collections of elements, but with different characteristics.
• List is an ordered collection that allows duplicate elements, while Set is an unordered collection that does not allow duplicates.

• List implementations include ArrayList, LinkedList, and Vector, while Set implementations include HashSet, TreeSet, and LinkedHashSet.

• List allows access to elements by index, wh...read more
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Q4. Write. Program of palindrome program
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A palindrome program checks if a given string reads the same forwards and backwards.
• Create a function that takes a string as input

• Remove any spaces and convert all characters to lowercase

• Compare the string with its reverse to check if it is a palindrome
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Q5. Write a program of prime numbers
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Program to generate prime numbers
• Create a function to check if a number is prime

• Iterate through numbers and check for prime numbers

• Store prime numbers in an array
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Q6. What is inheritance and what is class and object
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Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class. A class is a blueprint for creating objects, while an object is an instance of a class.
• Inheritance allows a class to reuse code from another class, promoting code reusability and reducing redundancy.

• A class is a template or blueprint for creating objects, defining attributes and methods.

• An object...read more
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Coding round test in tech Mahindra

Question on strings, logic gates

Q1. What is oops and strings
Ans. 
OOPs (Object-Oriented Programming) is a programming paradigm that uses objects to represent and manipulate data. Strings are sequences of characters.
• OOPs is a programming approach that focuses on creating reusable objects with properties and behaviors.

• Strings are a data type used to represent sequences of characters.

• OOPs allows for encapsulation, inheritance, and polymorphism.

• Strings can be manipulated using various st...read more
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