How to create a List of Numbers from 1 to N in Java - Step by Step Examples

How to create a List of Numbers from 1 to N in Java ?

Answer

To create a list of numbers from 1 to N in Java, you can use a for loop to iterate from 1 to N and add each number to the list.

✐ Examples

1 Create a List of Numbers from 1 to N

In this example,

We import the necessary Java libraries.
We create an ArrayList to store the numbers.
We use a for loop to iterate from 1 to N and add each number to the ArrayList.
Finally, we print the ArrayList to standard output.

Java Program

import java.util.ArrayList;

public class Main {
    public static void main(String[] args) {
        int N = 5;
        ArrayList<Integer> list = new ArrayList<>();
        for (int i = 1; i <= N; i++) {
            list.add(i);
        }
        System.out.println("List of numbers from 1 to " + N + ": " + list);
    }
}

Output

List of numbers from 1 to 5: [1, 2, 3, 4, 5]

Summary

In this tutorial, we learned How to create a List of Numbers from 1 to N in Java language with well detailed examples.

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