iEnergizer Software Engineer Interview Questions and Answers

Easy coding questions

Q1. Hashmap question
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First time attend aptitude test .

Q1. Any computer engineering basic questions
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Q2. C,C++,java , python
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Q3. What is inheritance.how many times of inheritance.
Ans. 
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
• Inheritance allows for code reusability and promotes the concept of 'is-a' relationship.

• There are different types of inheritance such as single inheritance, multiple inheritance, multilevel inheritance, and hierarchical inheritance.

• Example: Class B inheriting from Class A - 'class B: public A {}'
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Q4. How many characters are used in C.
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C uses a set of 128 characters, including letters, digits, special characters, and control characters.
• C uses 26 letters (uppercase and lowercase), 10 digits (0-9), and various special characters like !, @, #, $, %, etc.

• C also includes control characters like newline, tab, carriage return, etc.

• The total number of characters used in C is 128.
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Q5. What is c. How many characters are used.
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C is a programming language known for its efficiency and flexibility. It uses 256 characters.
• C is a high-level programming language used for system programming, embedded systems, and applications.

• C uses 256 characters, including letters, digits, special characters, and whitespace.

• Examples of characters in C include 'a', '1', '+', and ' '.
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Prepare well and all the best.

Q1. What is Oops concept
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Oops concept stands for Object-Oriented Programming concepts which include principles like inheritance, encapsulation, polymorphism, and abstraction.
• Oops concept is a programming paradigm that focuses on objects and classes.

• It includes principles like inheritance, where a class can inherit properties and behavior from another class.

• Encapsulation is another principle where data is wrapped within a class and can only be ...read more
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Q2. Features of java 8
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Java 8 introduced several new features including lambda expressions, functional interfaces, streams, and default methods.
• Lambda expressions allow you to pass functionality as an argument to a method.

• Functional interfaces have a single abstract method and can be used with lambda expressions.

• Streams provide a way to work with sequences of elements and perform operations like filter, map, and reduce.

• Default methods allow ...read more
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Q1. Basics of your technical skills
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Q1. More Projects related questions
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Q1. Python namespaces
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Q1. What is oop? What is inheritance? What is cooling?
Ans. 
OOP is a programming paradigm that uses objects to represent and manipulate data. Inheritance is a mechanism for creating new classes based on existing ones. Cooling is not a relevant term in software engineering.
• OOP stands for Object-Oriented Programming

• In OOP, objects are instances of classes that encapsulate data and behavior

• Inheritance allows a new class to be based on an existing class, inheriting its properties a...read more
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Q2. Good. Bbbbbbbb Goodjjjjjhjjjjjjj Goodyuhjhhhhh
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