Rewrite using the Scanner class import javax.swing.JOptionPane; /** */ public cl

Question

Rewrite  using the Scanner class

import javax.swing.JOptionPane;

/**

*/

public class SoccerTeams
{
public static void main(String[] args)
{
final int MIN_PLAYERS = 9;
final int MAX_PLAYERS = 15;
int players;
int teamSize;
int teams;
int leftOver;
String input;

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

while (teamSize < MIN_PLAYERS || teamSize > MAX_PLAYERS)
{
input = JOptionPane.showInputDialog("The number must" + MIN_PLAYERS + " and no more than " + MAX_PLAYERS + ". Enter " + "the number of players.");
teamSize = Integer.parseInt(input);
}

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

players = Integer.parseInt(input);

while (players < 0)
{
input = JOptionPane.showInputDialog("Enter 0 or " + "greater.");

players = Integer.parseInt(input);
}

teams = players / teamSize;

leftover = players % teamSize;

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

System.exit(0);

}
}

Explanation / Answer

import javax.swing.JOptionPane;
import java.util.*;
/**

*/

public class SoccerTeams
{
   public static void main(String[] args)
   {
      final int MIN_PLAYERS = 9;
      final int MAX_PLAYERS = 15;
      int players;
      int teamSize;
      int teams;
      int leftOver;
      String input = "";

    
      //input = JOptionPane.showInputDialog("Enter the number of " + "players per team.");
      System.out.println("Enter the number of " + "players per team.");
      Scanner in = new Scanner(System.in);
      teamSize = in.nextInt();
      //teamSize = Integer.parseInt(input);

      while (teamSize < MIN_PLAYERS || teamSize > MAX_PLAYERS)
      {
         System.out.println("The number must" + MIN_PLAYERS + " and no more than " + MAX_PLAYERS + ". Enter " + "the number of players.");
         teamSize = in.nextInt();
      }

      System.out.println("Enter the available " + "number of players.");

      players = in.nextInt();

      while (players < 0)
      {
         System.out.println("Enter 0 or " + "greater.");
         players = in.nextInt();
      }

      teams = players / teamSize;

      leftover = players % teamSize;

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

      System.exit(0);

    }
}

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