public class Players {
    
  private String player;
  private byte age;
  private String birthplace;
  private String residence;
  private short height;
  private byte weight;
  private String coach;
  private Date born;
  private int ranking;

  public Players() {}

  public Players(int ranking, String player, byte age, String birthplace, String residence, short height, byte weight, String coach, Date born) {
 
    this.ranking = ranking;
    this.player = player;
    this.age = age;
    this.birthplace = birthplace;
    this.residence = residence;
    this.height = height;
    this.weight = weight;
    this.coach = coach;
    this.born = born;
  }  
 ...
  //getters and setters

}