XylemPhloemExample.java

import java.util.*;
import java.io.*;
import java.util.Scanner;
public class XylemPhloemExample {
public static void main (String [] args) {
//the variables extreme_sum stores the sum of extreme digits
//the variable mean_sum stores the sum of mean digits
	int num , extreme_sum = 0 , mean_sum = 0 , n;
	Scanner sc = new Scanner(System.in);
	System.out.println("Enter a number");
//reading an integer from the user
	num = sc.nextInt();
//finds the absolute value of the given number
	num = Math.abs(num);
//copying the given number into n
	n=num;
//the while loop executes until the specific condition becomes false
	while(n!=0) {
//return true if one of the condition is true
		if(n==num || n<10 )
//finds the last digit and add it to the variable extreme_sum
			extreme_sum = extreme_sum + n% 10;
		else
//finds the mean digits and add it to variable mean_sum
			mean_sum = mean_sum + n%10;
//removes the last digit from the number
		n = n/10;
	}
	System.out.println("The sum of extreme digits:"+ extreme_sum);
	System.out.println("The sum of mean digits:"+ mean_sum);
//comparing the sum of extreme digits and with the sum of mean digits
	if(extreme_sum == mean_sum)
//prints sums are equal
		System.out.println(num+" is a xylem number.");
	else
//prints if sums are not equal
		System.out.println(num+" is a phloem number");
}
}