Introduction to Java Programming and Data Structures, Comprehensive Version, Student Value Edition (11th Edition)
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Chapter 20.8, Problem 20.8.2CP

Explanation of Solution

The following modification of the code is to remove the ball when “-”button is clicked.

//Define the method subtract()

public void subtract() {

 //Check whether the list is greater than 0

if (list.size() > 0)

   // Remove the last ball

        list.remove(list.size() - 1);

    }

Explanation:

  • The “MultipleBallApp...

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Introduction to Java Programming and Data Structures, Comprehensive Version, Student Value Edition (11th Edition)

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