Software Web Developer Interview Questions and Answers

Updated 23 Oct 2024

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Q1. Where and how we can withdraw our money receive payment

Ans.

Payment can be withdrawn from various platforms such as PayPal, bank transfer, and online payment gateways.

PayPal is a popular platform for receiving payments
Bank transfer is a direct transfer of funds from one bank account to another
Online payment gateways such as Stripe and Square are also commonly used
Withdrawal options may vary depending on the employer or client

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Q2. What is the best program system in seeking job

Ans.

LinkedIn is the best program system for seeking job

LinkedIn has a vast network of professionals and job postings
It allows you to showcase your skills and experience through your profile
You can also connect with recruiters and hiring managers directly
LinkedIn also offers job search filters and alerts for relevant job postings

Q3. print the missing number from the range 1 to 100;

Ans.

Use the formula for sum of natural numbers to find the missing number.

Calculate the sum of numbers from 1 to 100 using the formula n*(n+1)/2
Find the actual sum of numbers from 1 to 100
Subtract the actual sum from the calculated sum to find the missing number

Q4. difference between multiple inheritances and multilevel inheritance

Ans.

Multiple inheritance involves a class inheriting from more than one base class, while multilevel inheritance involves a chain of inheritance with each class inheriting from another.

Multiple inheritance can lead to the diamond problem where ambiguity arises due to multiple inheritance paths.
Multilevel inheritance involves a chain of classes where each class inherits from another, creating a hierarchy.
Example of multiple inheritance: class A inherits from classes B and C.
Exampl...read more

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Q5. how to converts stack to heap

Ans.

To convert a stack to a heap, you can use a sorting algorithm like heapify.

Use a sorting algorithm like heapify to rearrange the elements in the stack into a heap structure.
Heapify the stack by starting from the last non-leaf node and moving up the tree.
After heapifying the stack, the elements will be in a heap structure with the root node containing the maximum value.

Q6. what is inheritance and its uses

Ans.

Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.

Allows for code reusability by creating a new class based on an existing class
Enables the creation of a hierarchy of classes with shared attributes and methods
Derived class can access and modify the properties and methods of the base class
Example: A 'Vehicle' class can be inherited by 'Car' and 'Truck' classes, which share common attributes like 'color' a...read more

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Q7. what is encapsulation

Ans.

Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.

Encapsulation helps in hiding the internal state of an object and only exposing necessary functionalities.
It allows for better control over the data by preventing direct access from outside the object.
Encapsulation promotes code reusability and modularity by creating self-contained objects.
Example: In a class representing a car, encapsulation would involve private variables f...read more

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