Capgemini Fullstack Developer Lead Interview Questions and Answers

Q1. How is memory managed in go programming language?
Ans. 
Memory in Go is managed using garbage collection, which automatically frees up memory that is no longer in use.
• Go uses a garbage collector to automatically manage memory allocation and deallocation.

• Memory is allocated on the heap, and garbage collection is used to free up memory that is no longer needed.

• Pointers are used to reference memory locations, allowing for efficient memory management.

• Examples: var x *int = new(
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Q1. Explain project internal architecture?
Ans. 
Project internal architecture refers to the structure and organization of the codebase and components within a software project.
• Components and modules are organized in a logical manner to ensure scalability and maintainability.

• Design patterns such as MVC, MVVM, or microservices may be used to structure the codebase.

• Communication between components is defined through interfaces and APIs.

• Data flow and dependencies are ma...read more
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Q1. How would you manage conflicts in team?
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Q1. Demonstrate Function Overriding.
Ans. 
Function Overriding is a concept in object-oriented programming where a subclass provides a specific implementation of a method that is already provided by its parent class.
• In Function Overriding, a subclass can provide a specific implementation of a method that is already defined in its parent class.

• The method in the subclass must have the same name, return type, and parameters as the method in the parent class to ove...read more
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Q2. Linq query with order by
Ans. 
Using LINQ query to order data in C#
• Use the OrderBy method to sort data in ascending order

• Use the OrderByDescending method to sort data in descending order

• You can also use ThenBy and ThenByDescending for secondary sorting
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Q3. What is Out Parameter with example
Ans. 
Out parameter is used to pass data out of a method or function.
• Out parameters are used when a method needs to return multiple values.

• They are declared using the 'out' keyword in C#.

• Example: void CalculateArea(int length, int width, out int area) { area = length * width; }
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Q4. Authentication and autherization, JWT Tocken
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Q5. Reflection in C#
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Reflection in C# allows for inspecting and manipulating metadata of types at runtime.
• Reflection is used to dynamically create instances of types, access properties, and invoke methods.

• Examples include using reflection to load assemblies at runtime, inspect attributes of types, and generate code dynamically.

• Reflection can be slow and should be used judiciously due to performance overhead.
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Def factorial_iterative(n):
result = 1
for i in range(1, n + 1):
result *= i
return result

Q1. Java overloading overriding differences
Ans. 
Overloading is having multiple methods with the same name but different parameters, while overriding is implementing a method in a subclass with the same signature as in the superclass.
• Overloading allows different methods to have the same name but different parameters.

• Overriding involves implementing a method in a subclass with the same signature as in the superclass.

• Overloading is determined at compile time based on t...read more
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Q2. Angular decorators
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Q3. Angular services
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Q1. Basic js question on hoisting, closure, promises
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Q1. Basic resume based
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Q1. Salary discussion -- HR never responded
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Q1. Java Basic questions
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Q2. SpringBoot Basic questions
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Q3. Simple DSA problem: "introduction" find duplicate characters
Ans. 
Find duplicate characters in a given array of strings
• Iterate through each string in the array

• For each string, iterate through each character and store the count in a hashmap

• If the count of any character is greater than 1, it is a duplicate
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Q4. Write code for REST API using spring boot, include all annotation
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Code for REST API using Spring Boot with annotations
• Use @RestController annotation to define the class as a REST controller

• Use @RequestMapping annotation to map HTTP requests to handler methods

• Use @GetMapping, @PostMapping, @PutMapping, @DeleteMapping annotations for specific HTTP methods

• Use @PathVariable annotation to extract values from the URI

• Use @RequestBody annotation to bind HTTP request body to a method paramete
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Q1. 1. What is resolvers in angular 2. Difference between canActivated and CanGuard route guards in angular 3. How to create custom decorators 4. what is use of ngOnInit 3. How to make asynchronous method to s...read more
Ans. 
Resolvers in Angular are used to fetch data before the component is loaded, canActivate guards control access to routes, custom decorators can be created using @Decorator syntax, ngOnInit is a lifecycle hook in Angular, asynchronous methods can be made synchronous using async/await, cancellation tokens are used to cancel asynchronous operations.
• Resolvers in Angular are used to fetch data before the component is loaded,...read more
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Train and time and work

Q1. Python fullstack
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Q2. Introduction,projects,skills,strenths,habies,goles
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Q3. Python fullstack with django
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