public class NumberGames

{



// Keep track of the number

private double num;



// Constructor

public NumberGames(double startingNumber)

{

num = startingNumber;

}



// Returns the number

public double getNumber()

{

return num;

}



// Doubles the number

// Returns the doubled number

public double doubleNumber()

{

num *= 2;

return num;

}



// Squares the number

// Returns the squared number

public double squareNumber()

{

num *= num;

return num;

}





}







--------





public class GamesTester

{

public static void main(String[] args)

{

NumberGames game = new NumberGames(3);



// Double the number

// Print it out





// Square the number

// Print it out



// Double the number again

// Print it out



// Get the number and store the value

// Print it out to see that getNumber does

// not modify the number



}

} Exercise 2.6.6: Number Games w This class has a few methods for manipulating a number. The object has
been created for you. Call the methods indicated and print out the result of each method call. Your output
should look like this 6.0 36.0 72.0 72.0