Question

Create java class with name BaseballPlayer

Instructions for BaseballPlayer class:

The BaseballPlayer class is modeled after a BaseballPlayer and will contain methods to calculate various statistics based on the stats of a player.

For this class, you will want to use a static variable for storing a DecimalFormat object.

See the API document for the BaseballPlayer class for a list of methods you will write.

API Document

Constructors:

Identifier:	BaseballPlayer(String name, int number, int singles, int doubles, int triples, int homeRuns, int atBats, int walks, int sacrificeFlies)
Parameters:	name – A String representing the player’s name number – An int representing the player’s number singles – An int representing the number of singles the player has hit doubles – An int representing the number of doubles the player has hit triples – An int representing the number of triples the player has hit homeRuns – An int representing the number of homeRuns the player has hit atBats – An int representing the number of times the player has been at bat walks – An int representing the number of times the player has walked sacrificeFlies – An int representing the number of sacrifice fly outs made
Return Value:
Other:

Methods:

Identifier:	getBattingAverage
Parameters:
Return Value:	double – the batting average of a player.
Other:	Return the batting average for a BaseballPlayer which is calculated as the number of hits divided by the number of at bats.

Identifier:	getSluggingPercentage
Parameters:
Return Value:	double – the slugging percentage of a player.
Other:	Return the slugging percentage for a BaseballPlayer which is calculated with the following formula: ((1 * # of singles) + (2 * # of doubles) + (3 * # of triples) + (4 * # of homeruns)) / # of at bats

Identifier:	getOnBasePercentage
Parameters:
Return Value:	double – the on base percentage of a player.
Other:	Return the on-base percentage for a BaseballPlayer which is calculated with the following formula: (# of hits + # of walks) / (# of at bats + # of walks + # of sacrifice flies)

Identifier:	getFormattedBattingAverage
Parameters:
Return Value:	String – a formatted batting average
Other:	Return the formatted batting average using the following rules: Only 3 decimal places are displayed Leading zeros before the decimal place are not displayed.

Identifier:	getFormattedSluggingPercentage
Parameters:
Return Value:	String – a formatted slugging percentage
Other:	Return the formatted batting average using the following rules: Only 3 decimal places are displayed Leading zeros before the decimal place are not displayed

Identifier:	getFormattedOnBasePercentage
Parameters:
Return Value:	String – a formatted on base percentage
Other:	Return the formatted batting average using the following rules: Only 3 decimal places are displayed Leading zeros before the decimal place are not displayed.

Answer 1

/**********************************BaseballPlayer.java***************************/

// TODO: Auto-generated Javadoc
/**
* The Class BaseballPlayer.
*/
public class BaseballPlayer {

   /** The name. */
   private String name;
  
   /** The number. */
   private int number;
  
   /** The singles. */
   private int singles;
  
   /** The doubles. */
   private int doubles;
  
   /** The triples. */
   private int triples;
  
   /** The home runs. */
   private int homeRuns;
  
   /** The at bats. */
   private int atBats;
  
   /** The walks. */
   private int walks;
  
   /** The sacrifice flies. */
   private int sacrificeFlies;

   /**
   * Instantiates a new baseball player.
   *
   * @param name the name
   * @param number the number
   * @param singles the singles
   * @param doubles the doubles
   * @param triples the triples
   * @param homeRuns the home runs
   * @param atBats the at bats
   * @param walks the walks
   * @param sacrificeFlies the sacrifice flies
   */
   public BaseballPlayer(String name, int number, int singles, int doubles, int triples, int homeRuns, int atBats,
           int walks, int sacrificeFlies) {
       super();
       this.name = name;
       this.number = number;
       this.singles = singles;
       this.doubles = doubles;
       this.triples = triples;
       this.homeRuns = homeRuns;
       this.atBats = atBats;
       this.walks = walks;
       this.sacrificeFlies = sacrificeFlies;
   }

   /**
   * Gets the batting average.
   *
   * @return the batting average
   */
   public double getBattingAverage() {

       return (singles + doubles + triples + homeRuns) / atBats;
   }

   /**
   * Gets the slugging percentage.
   *
   * @return the slugging percentage
   */
   public double getSluggingPercentage() {

       return (singles + doubles * 2 + triples * 3 + homeRuns * 4) / atBats;
   }

   /**
   * Gets the on base percentage.
   *
   * @return the on base percentage
   */
   public double getOnBasePercentage() {

       return (singles + doubles + triples + homeRuns + walks) / (atBats + walks + sacrificeFlies);
   }

   /**
   * Gets the formatted batting average.
   *
   * @return the formatted batting average
   */
   public String getFormattedBattingAverage() {

       String s = String.format("%.3f", getBattingAverage());
       return s;
   }

   /**
   * Gets the formatted slugging percentage.
   *
   * @return the formatted slugging percentage
   */
   public String getFormattedSluggingPercentage() {

       String s = String.format("%.3f", getSluggingPercentage());
       return s;
   }

   /**
   * Gets the formatted on base percentage.
   *
   * @return the formatted on base percentage
   */
   public String getFormattedOnBasePercentage() {

       String s = String.format("%.3f", getOnBasePercentage());
       return s;
   }

   /**
   * Gets the name.
   *
   * @return the name
   */
   public String getName() {
       return name;
   }

   /**
   * Gets the number.
   *
   * @return the number
   */
   public int getNumber() {
       return number;
   }

}

Please let me know if you have any doubt or modify the answer, Thanks :)