# 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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Program Listing

``````
/*  Odd_Even.java
*
*  Prof. Jake Roderiguez Pomperada, MAED-IT, MIT
*  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();

}

}

``````