Big Java, Binder Ready Version: Early Objects
Big Java, Binder Ready Version: Early Objects
6th Edition
ISBN: 9781119056447
Author: Cay S. Horstmann
Publisher: WILEY
Question
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Chapter 10, Problem 8PP
Program Plan Intro

Filter that retains all the objects

Program plan:

  • In a file “Filter.java”, create an interface “Filter”,
    • Declare the method “accept()”.
    • Define the method “retainAll()”.
      • Initialize the variable.
      • Make loop for objects,
        • Check the condition,
          • Assign the object properties.
          • Increment the value by “1”.
      • Create a loop,
        • Assign the properties of objects accepted by filter.
      • Create a loop,
        • Fill the array that contains other objects, with null value.
  • In a file “Measurer.java”, create an interface “Measurer”,
    • Declare the method “measure()”,
  • In a file “BalanceFilter.java”, create a class “BalanceFilter” that implements “Filter” interface,
    • Define the method “accept()”,
      • Return the balance greater than “1000”.
  • In a file “BalanceMeasurer.java”, create a class “BalanceMeasurer” that implements “Measurer” interface,
    • Define the method “measure()”,
      • Return the value obtained from the method “getBalance()”.
  • In a file “BankAccount.java”, create a class “BankAccount”,
    • Declare the variable.
    • Define the constructor to create a bank account with “0” balance.
    • Define the parameterized constructor to set the specified balance.
    • Define the method “deposit()” to update the balance with the deposited amount.
    • Define the method “withdraw()” to update the balance with withdrawal amount.
    • Define the method “getBalance()” to return the current balance.
    • Define the method “addInterest()”,
      • Add the interest to the bank balance.
  • In a file “Data.java”, create a class “Data”,
    • Define the method “average()”,
      • Initialize the variable.
      • Make the loop for the objects,
        • Check the condition,
          • Update sum value.
          • Increment the value of “number”.
      • Check whether the value is positive,
        • If it is true, return the value obtained by dividing sum by the value “number”.
      • Otherwise, return “0”.
  • In a file “FilterTester.java”, create a class “FilterTester”,
    • Define the method “main()”,
      • Create an array of objects for “BankAccount” class.
      • Call the constructor with “900” as parameter.
      • Call the constructor with “3000” as parameter.
      • Call the constructor with “300” as parameter.
      • Call the constructor with “5000” as parameter.
      • Call the constructor with “1000” as parameter.
      • Create an object for “BalanceMeasure”.
      • Create an object for “BalanceFilter”.
      • Print the value returned from “average()”.
      • Print the expected average value.
      • Call the method “retainAll()”.
      • Print the message string.
      • Create  a loop,
        • Check the condition,
          • Print the value returned from the method “getBalance()”.
      • Print the expected values.

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Chapter 10 Solutions

Big Java, Binder Ready Version: Early Objects

Ch. 10.3 - Prob. 11SCCh. 10.3 - Prob. 12SCCh. 10.3 - Prob. 13SCCh. 10.3 - Write a method max that finds the larger of any...Ch. 10.3 - Write a call to the method of Self Check 14 that...Ch. 10.4 - Suppose you want to use the average method of...Ch. 10.4 - Prob. 17SCCh. 10.4 - Prob. 18SCCh. 10.4 - Write a method max with three arguments that finds...Ch. 10.4 - Write a call to the method of Self Check 19 that...Ch. 10.5 - Why would you use an inner class instead of a...Ch. 10.5 - When would you place an inner class inside a class...Ch. 10.5 - How many class files are produced when you compile...Ch. 10.6 - Why is it necessary that the real class and the...Ch. 10.6 - Why is the technique of mock objects particularly...Ch. 10.7 - Prob. 26SCCh. 10.7 - Prob. 27SCCh. 10.7 - Prob. 28SCCh. 10.7 - Prob. 29SCCh. 10.7 - If an inner class accesses a local variable from a...Ch. 10.8 - Prob. 31SCCh. 10.8 - Prob. 32SCCh. 10.9 - Prob. 33SCCh. 10.9 - Prob. 34SCCh. 10.10 - Prob. 35SCCh. 10.10 - Why must the MousePressListener class supply five...Ch. 10 - Prob. 1RECh. 10 - Prob. 2RECh. 10 - Prob. 3RECh. 10 - Prob. 4RECh. 10 - Prob. 5RECh. 10 - The classes Rectangle2D.Double, Ellipse2D.Double,...Ch. 10 - Suppose r contains a reference to a new...Ch. 10 - Classes such as Rectangle2D. Double,...Ch. 10 - Prob. 9RECh. 10 - What happens if you try to use an array of String...Ch. 10 - Prob. 11RECh. 10 - What happens if you pass an array of strings and...Ch. 10 - Consider this top-level and inner class. Which...Ch. 10 - What happens when an inner class tries to access a...Ch. 10 - Prob. 15RECh. 10 - Prob. 16RECh. 10 - Prob. 17RECh. 10 - What is the difference between an ActionEvent and...Ch. 10 - Prob. 19RECh. 10 - Prob. 20RECh. 10 - Prob. 21RECh. 10 - Prob. 22RECh. 10 - Prob. 23RECh. 10 - Prob. 24RECh. 10 - Add a method public static Measurable...Ch. 10 - Prob. 2PECh. 10 - A person has a name and a height in centimeters....Ch. 10 - Add static methods largest and smallest to the...Ch. 10 - In the Sequence interface of Worked Example 10.1,...Ch. 10 - In Worked Example 10.1, add a default...Ch. 10 - In Worked Example 10.1, make the process method a...Ch. 10 - Add a method to the Data class that returns the...Ch. 10 - Prob. 9PECh. 10 - Modify the Coin class from Chapter 8 to have it...Ch. 10 - Repeat Exercise E10.9, making the Measurer into an...Ch. 10 - Repeat Exercise E10.9, making the Measurer an...Ch. 10 - Implement a class Bag that stores items...Ch. 10 - Prob. 14PECh. 10 - Reimplement Exercise E10.14 where the grid is...Ch. 10 - Prob. 16PECh. 10 - Enhance the ButtonViewer program so that it prints...Ch. 10 - Prob. 18PECh. 10 - Prob. 19PECh. 10 - Prob. 20PECh. 10 - Prob. 21PECh. 10 - Prob. 22PECh. 10 - Prob. 23PECh. 10 - Reimplement the program in Section 10.7.2,...Ch. 10 - Prob. 25PECh. 10 - Prob. 26PECh. 10 - Prob. 27PECh. 10 - Prob. 28PECh. 10 - Prob. 29PECh. 10 - Prob. 30PECh. 10 - Prob. 1PPCh. 10 - Write a class PrimeSequence that implements the...Ch. 10 - Prob. 3PPCh. 10 - Prob. 4PPCh. 10 - Prob. 5PPCh. 10 - Prob. 6PPCh. 10 - Prob. 7PPCh. 10 - Prob. 8PPCh. 10 - Prob. 9PPCh. 10 - Prob. 10PPCh. 10 - Prob. 11PPCh. 10 - Prob. 12PPCh. 10 - Prob. 13PPCh. 10 - Prob. 14PPCh. 10 - Prob. 15PPCh. 10 - Prob. 16PPCh. 10 - Prob. 17PPCh. 10 - Prob. 18PPCh. 10 - Prob. 19PPCh. 10 - Prob. 20PPCh. 10 - Prob. 21PPCh. 10 - Prob. 22PPCh. 10 - Prob. 23PPCh. 10 - Prob. 24PPCh. 10 - Prob. 25PPCh. 10 - Prob. 26PPCh. 10 - Prob. 27PP
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