Back-End Programming Exam > Back-End Programming Videos > Introduction to Coding with Ruby (in Hindi) > Ruby Programming Tutorial-7-Arrays
Ruby Programming Tutorial-7-Arrays Video Lecture | Introduction to Coding with Ruby (in Hindi) - Back-End Programming
FAQs on Ruby Programming Tutorial-7-Arrays Video Lecture - Introduction to Coding with Ruby (in Hindi) - Back-End Programming
| 1. What is an array in Ruby programming? |  |
Ans. In Ruby programming, an array is an ordered collection of objects. It can hold multiple values of different data types, such as strings, integers, or even other arrays. Arrays are commonly used to store and manipulate sets of related data.
| 2. How can I create an array in Ruby? | |
Ans. To create an array in Ruby, you can use the square bracket notation. For example, you can create an array of numbers like this:
```
numbers = [1, 2, 3, 4, 5]
```
You can also create an empty array and then add elements to it later using the `push` method.
| 3. How can I access elements in an array in Ruby? | |
Ans. You can access elements in an array by their index. The index starts from 0 for the first element and increments by 1 for each subsequent element. For example, to access the second element of an array called `fruits`, you can use `fruits[1]`.
| 4. How can I add elements to an array in Ruby? | |
Ans. There are multiple ways to add elements to an array in Ruby. You can use the `push` method to add elements at the end of the array, like this:
```
fruits = ["apple", "banana"]
fruits.push("orange")
```
You can also use the `<<` operator or the `concat` method to add elements to an array.
| 5. Can I remove elements from an array in Ruby? | |
Ans. Yes, you can remove elements from an array in Ruby using various methods. For example, you can use the `pop` method to remove the last element from the array. You can also use the `delete_at` method to remove an element at a specific index, or the `delete` method to remove a specific value from the array.
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Nov 22, 2024 Last updated |
Video Description: Ruby Programming Tutorial-7-Arrays for Back-End Programming 2024 is part of Introduction to Coding with Ruby (in Hindi) preparation.
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