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



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

Answer

To create a vector of numbers from 1 to N in Java using java.util.Vector, you can use a loop to generate the numbers and add them to the Vector.



✐ Examples

1 Create Vector of Numbers from 1 to N

In this example,

  1. We import the java.util.Vector class to use the Vector data structure.
  2. We define a method named generateNumbers that takes an argument n of type int, which represents the end value.
  3. Inside the method, we create a Vector named numberVector to store the numbers.
  4. We use a for loop with an iterator i ranging from 1 to n (inclusive).
  5. Within the loop, we add each value of i to the numberVector using the add method of Vector.
  6. We return the numberVector Vector containing the generated sequence of numbers.

Java Program

import java.util.Vector;

public class Main {
    public static Vector<Integer> generateNumbers(int n) {
        Vector<Integer> numberVector = new Vector<>();
        for (int i = 1; i <= n; i++) {
            numberVector.add(i);
        }
        return numberVector;
    }

    public static void main(String[] args) {
        int n = 10;
        Vector<Integer> numbers = generateNumbers(n);
        System.out.println("Numbers from 1 to " + n + ": " + numbers);
    }
}

Output

Numbers from 1 to 10: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

2 Create Vector of Numbers from 1 to 100

In this example,

  1. We import the java.util.Vector class to use the Vector data structure.
  2. We define a method named generateNumbers that takes an argument n of type int, which represents the end value.
  3. Inside the method, we create a Vector named numberVector to store the numbers.
  4. We use a for loop with an iterator i ranging from 1 to n (inclusive).
  5. Within the loop, we add each value of i to the numberVector using the add method of Vector.
  6. We return the numberVector Vector containing the generated sequence of numbers.

Java Program

import java.util.Vector;

public class Main {
    public static Vector<Integer> generateNumbers(int n) {
        Vector<Integer> numberVector = new Vector<>();
        for (int i = 1; i <= n; i++) {
            numberVector.add(i);
        }
        return numberVector;
    }

    public static void main(String[] args) {
        int n = 100;
        Vector<Integer> numbers = generateNumbers(n);
        System.out.println("Numbers from 1 to " + n + ": " + numbers);
    }
}

Output

Numbers from 1 to 100: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100]

Summary

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




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