Wissen Technology Angular Frontend Developer Interview Questions and Answers

Q1. They asked questioned on joints
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Q1. Basic question about family and backgroud
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Q1. What is your expectations
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Q1. Why we should hire you
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Q1. Oops concept with example
Ans. 
Oops concept refers to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class. Example: Parent class 'Animal' and child class 'Dog'.

• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class 'Car' with private variables and public methods.

• Polymorphism...read more
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Q2. Basic Database question
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Q1. Basic of js and react
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Q2. Hooks , state , props , component
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Q1. What is array and strings
Ans. 
Arrays are a collection of elements of the same data type, while strings are a sequence of characters.
• Arrays can store multiple values in a single variable, accessed by index.

• Strings are a special type of array that store sequences of characters.

• Example: Array - [1, 2, 3], String - 'hello world'
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Q2. Write a code of prime number
Ans. 
Code to check if a number is prime or not
• Use a loop to check if the number is divisible by any number other than 1 and itself

• If the number is only divisible by 1 and itself, it is a prime number

• Example: Check if 7 is prime - loop from 2 to 6, no number divides 7 evenly
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Q1. Basic concepts only like opps
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Q2. Exception handling
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Basic aptitude questions and 1 coding question also question on MySQL

In gd they ask on e-learning is advantage or disadvantage