Modify the method created in Exercise 5.18 to receive a second parameter of type char called fillCharacter. Form the square using the char provided as an argument. Thus, if side is 5 and fillCharacter is #, the method should display

Use the following statement (in which input is a Scanner object) to read a character from the user at the keyboard: // next() returns a String and charAt(0) gets the String's first character char fill = input.next().charAt(0);

Exercise 5.18

Write a method squareOfAsterisks that displays a solid square (the same number of rows and columns) of asterisks whose side is specified in integer parameter side. For example, if side is 4, the method should display

Incorporate this method into an application that reads an integer value for side from the user and outputs the asterisks with the squareOfAsterisks method.

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