Back-End Programming Exam > Back-End Programming Videos > Introduction to Coding with Ruby (in Hindi) > Ruby Programming Tutorial-6-for loop; break And next
Ruby Programming Tutorial-6-for loop; break And next Video Lecture | Introduction to Coding with Ruby (in Hindi) - Back-End Programming
FAQs on Ruby Programming Tutorial-6-for loop; break And next Video Lecture - Introduction to Coding with Ruby (in Hindi) - Back-End Programming
| 1. What is a for loop in Ruby programming? |  |
Ans. A for loop is a control flow statement in Ruby that allows you to iterate over a collection of elements, such as an array or a range. It repeatedly executes a block of code for each element in the collection.
| 2. How do you break out of a loop in Ruby? | |
Ans. In Ruby, you can use the "break" keyword to immediately terminate a loop and exit its execution. When the break statement is encountered, the program will exit the loop and continue executing the code after the loop.
| 3. What does the "next" keyword do in Ruby? | |
Ans. The "next" keyword is used in Ruby to skip the rest of the current iteration of a loop and move on to the next iteration. It allows you to bypass the remaining code in the loop and continue with the next element in the collection.
| 4. Can you provide an example of using break in a for loop? | |
Ans. Certainly! Here's an example of using the "break" keyword in a for loop:
```
for i in 1..5
puts i
break if i == 3
end
```
In this example, the loop will iterate from 1 to 5. However, when the value of 'i' becomes 3, the "break" statement will be executed, and the loop will terminate immediately. The output will be:
```
1
2
3
```
| 5. Is it possible to skip specific iterations in a for loop using the "next" keyword? | |
Ans. Yes, it is possible to skip specific iterations in a for loop using the "next" keyword. Here's an example:
```
for i in 1..5
next if i == 3
puts i
end
```
In this example, when 'i' is equal to 3, the "next" keyword will skip the current iteration and move on to the next iteration. As a result, the number 3 will be skipped, and the output will be:
```
1
2
4
5
```
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Nov 22, 2024 Last updated |
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