eG Innovations Full Stack Software Developer Interview Questions and Answers

Q1. What is decorator
Ans. 
A decorator is a design pattern in programming that allows behavior to be added to individual functions or methods dynamically.
• Decorators are often used in Python to modify the behavior of functions or methods.

• They are defined using the '@decorator_name' syntax above a function.

• Example: @app.route('/') in Flask is a decorator that maps a URL to a function.

• Decorators can take arguments, allowing for more flexible behavi...read more
Answered by AI
Add your answer
Q2. What is @input and @output
Ans. 
@Input and @Output are decorators in Angular used for data binding between parent and child components.
• @Input allows a parent component to pass data to a child component.

• Example: @Input() childData: string; in child component to receive data.

• @Output allows a child component to emit events to the parent component.

• Example: @Output() eventEmitter = new EventEmitter(); in child component to emit an event.
Answered by AI
Add your answer

Q1. What is a pointer to pointer
Ans. 
A pointer to pointer is a variable that stores the memory address of another pointer variable.
• It is used to create dynamic data structures like linked lists and trees.

• It allows multiple levels of indirection.

• It is denoted by ** in C and C++.

• Example: int **ptr;

• Example: ptr = &p; where p is a pointer variable.
Answered by AI
Add your answer
Q2. Class, object, inheritance, polymorphism,dbms
Add your answer

Q1. What are the main principles of the Java
Ans. 
Main principles of Java include object-oriented programming, platform independence, and automatic memory management.
• Object-oriented programming: Java is based on classes and objects, allowing for encapsulation, inheritance, and polymorphism.

• Platform independence: Java code can run on any platform that has a Java Virtual Machine (JVM) installed.

• Automatic memory management: Java uses garbage collection to automatically m
Answered by AI
Add your answer
Q2. What is the different between == and equals method
Ans. 
The == operator compares the memory addresses of two objects, while the equals method compares the content of two objects.
• The == operator is used to compare the memory addresses of two objects in Java.

• The equals method is used to compare the content of two objects in Java.

• Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will return false, but str1.equals(str2) will return true
Answered by AI
Add your answer

Q1. What is jdk, string related questions, basic java oops questions?
Add your answer

Aptitude, reasoning,java MCQS

Q1. Technical round
Add your answer

Q1. Second technical round
Add your answer

Q1. HR and package discussion
Add your answer

Full c concept MCQ with IQ and Computaional Thinking

Q1. Number system convertion in c
Ans. 
Number system conversion in C involves converting numbers between different bases, such as decimal to binary or hexadecimal.
• Use functions like itoa() to convert integers to strings in different bases

• Use strtol() to convert strings to integers in different bases

• Remember to specify the base when converting numbers
Answered by AI
Add your answer
Q2. Pointers, struct, Data Structure
Add your answer

Q1. Decimal to Binary Convertion
Add your answer
Q2. Hexa Decimal to Binary convertion
Add your answer