4-5 SoccerTeams

Post date: Feb 6, 2014 11:11:07 AM

/*

This program calculates the number of soccer teams

that a youth league may create from the number of

available players. Input validation is demonstrated

with while loops.

*/

package soccerteams;

import javax.swing.JOptionPane;

public class SoccerTeams

{

public static void main(String[] args)

{

final int MIN_PLAYERS = 9; // Minimum players per team

final int MAX_PLAYERS = 15; // Maximum players per team

int players; // Number of available players

int teamSize; // Number of players per team

int teams; // Number of teams

int leftover; // Number of leftover players

String input; // To hold the user input

// Get the number of players per team.

input = JOptionPane.showInputDialog("Enter the number of players per team.");

teamSize = Integer.parseInt(input);

// Validate the number entered.

while (teamSize < MIN_PLAYERS || teamSize > MAX_PLAYERS)

{

input = JOptionPane.showInputDialog("The number must " +

"be at least " + MIN_PLAYERS +

" and no more than " +

MAX_PLAYERS + ".\n Enter"+

"the number of players.");

teamSize = Integer.parseInt(input);

}

// Get the number of available players.

input = JOptionPane.showInputDialog("Enter the available number of players.");

players = Integer.parseInt(input);

// Validate the number entered.

while (players < 0)

{

input = JOptionPane.showInputDialog("Enter 0 or greater.") ;

players = Integer.parseInt(input);

}

// Calculate the number of teams.

teams = players / teamSize;

// Calculate the number of leftover players.

leftover = players % teamSize;

// Display the results.

JOptionPane.showMessageDialog(null, "There will be " + teams + " teams with " + leftover + " players left over.");

System.exit(0);

}

}