Sum of All Odd and Even Numbers in Java

 Machine Problem

Write a program using Java to ask the user to give a number  and then the program will sum all the odd and even numbers of the given number, and display the results on the screen.

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/*  Odd_Even.java

 * 

 *  Prof. Jake Roderiguez Pomperada, MAED-IT, MIT

 *  www.jakerpomperada.com  and www.jakerpomperada.blogspot.com

 *  jakerpomperada@gmail.com

 *  Bacolod City, Negros Occidental Philippines

 * 

 * 

Machine Problem

Write a program using Java to ask the user to give a number 

and then the program will sum all the odd and even numbers of

the given number, and display the results on the screen.

 */

import java.util.Scanner;

  

class Odd_Even

{

   

    

   public static void main(String args[])

   {

        int a=0,num=0;  

        int odd_numbers_sum=0,even_numbers_sum=0;

      

       Scanner input = new Scanner(System.in);

       System.out.println("\n");

       System.out.println("\tSum of All Odd and Even Numbers in Java");

       System.out.println();

      

       System.out.print("\tGive a Number : ");

       

       num=input.nextInt();

    for(a=1; a<=num; a++){  

        if(a%2==0) 

          even_numbers_sum=even_numbers_sum+a;

        else

         odd_numbers_sum=odd_numbers_sum+a;

        }

        

        System.out.println("\n");

        System.out.println("\tSum of all odd numbers are: "+odd_numbers_sum);

        System.out.println("\tSum of all even numbers are: "+even_numbers_sum);

        System.out.println("\n");

       System.out.println("\tEnd of Progam");

       System.out.println();

      

        

   }

   

   

}

/*  Odd_Even.java *  *  Prof. Jake Roderiguez Pomperada, MAED-IT, MIT *  www.jakerpomperada.com  and www.jakerpomperada.blogspot.com *  jakerpomperada@gmail.com *  Bacolod City, Negros Occidental Philippines *  * Machine Problem
Write a program using Java to ask the user to give a number and then the program will sum all the odd and even numbers ofthe given number, and display the results on the screen. */


import java.util.Scanner;
  
class Odd_Even
{          public static void main(String args[])
   {
        int a=0,num=0;          int odd_numbers_sum=0,even_numbers_sum=0;             Scanner input = new Scanner(System.in);
       System.out.println("\n");       System.out.println("\tSum of All Odd and Even Numbers in Java");       System.out.println();             System.out.print("\tGive a Number : ");              num=input.nextInt();
    for(a=1; a<=num; a++){          if(a%2==0)           even_numbers_sum=even_numbers_sum+a;        else         odd_numbers_sum=odd_numbers_sum+a;        }                System.out.println("\n");        System.out.println("\tSum of all odd numbers are: "+odd_numbers_sum);        System.out.println("\tSum of all even numbers are: "+even_numbers_sum);        System.out.println("\n");       System.out.println("\tEnd of Progam");       System.out.println();                 }
      
}