Create a class named TennisGame that holds data about a single tennis game. The class ha...

Create a class named TennisGame that holds data about a single tennis game. The class has six fields: the names of the two players, the integer final scores for the players, and the String values of the final scores. Include a get method for each of the six fields. Also include a set method that accepts two players’ names, and another set method that accepts the two integer final score values. The integer final score for a player is the number of points the player won during the game; this value should be in the range of 0 through 4. If either of the set method parameters for a score is not in the range of 0 through 4, assign 0 to both scores and assign “error” to the String scores. If both players’ score parameters are 4, assign 0 to both scores and “error” to the String scores. The String score values are set by the method that sets the integer score values. The String final score for each player contains the traditional names for points in tennis: love, 15, 30, 40, or game, respectively, for the values 0 through 4. Create a subclass named DoublesTennisGame that includes two additional fields for the names of the first two players’ partners. Include get methods for the names. Override the parent class setNames() method to accept the names of all four players. Write an application named DemoTennisGames that instantiates several objects of each of these classes. Demonstrate that all the methods assign correct values. Save the files as TennisGame.java, DoublesTennisGame.java, and DemoTennisGames.java.