Question

Java Class

Create a class with a main method. Write code including a loop that will display the first n positive odd integers and compute and display their sum. Read the value for n from the user and display the result to the screen.

Answer 1

import java.util.*;
public class Main
{
   public static void main(String[] args) {
   Scanner sc= new Scanner(System.in);
   System.out.print("Enter a positive number: ");
   int n= sc.nextInt();
       System.out.print("Enter a positive number: ");
           System.out.print("List of n odd integer: ");
       int j=1,i=1,sum=0;
      
       while(i<=n)
       {
      
       sum=sum+j;
           System.out.print(j+" ");
           j=j+2;
           i=i+1;
      
       }
      
           System.out.print("\nsum of n odd integer : "+sum);
      
   }
}