Java: An Introduction to Problem Solving and Programming (8th Edition)

8th Edition

ISBN: 9780134462035

Author: Walter Savitch

Publisher: PEARSON

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Array

The simplest way to start thinking about an array is as a collection, or a set of elements. In programming, these elements may be constants, variables, functions and pointers.

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Textbook Question

Chapter 7, Problem 5E

Write a program in a class characterFrequency that counts the number of times a digit appears in a telephone number. Your program should create an array of size 10 that will hold the count for each digit from 0 to 9. Read a telephone number from the keyboard as a string. Examine each character in the phone number and increment the appropriate count in the array. Display the contents of the array.

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Chapter 7, Problem 4E

Chapter 7, Problem 6E

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Chapter 7 Solutions

Java: An Introduction to Problem Solving and Programming (8th Edition)

Ch. 7.1 - What output will be produced by the following...Ch. 7.1 - What output will be produced by the following...Ch. 7.1 - What output will be produced by the following...Ch. 7.1 - Consider the following array: int [] a = new...Ch. 7.1 - What is wrong with the following code to...Ch. 7.1 - Write a complete Java program that reads 20 values...Ch. 7.2 - Write some Java code that will declare an array...Ch. 7.2 - Rewrite the method displayResults of the program...Ch. 7.2 - What output will be produced by the following...Ch. 7.2 - Give the definition of a static method called...

Ch. 7.2 - Give the definition of a static method called...Ch. 7.2 - Prob. 12STQ Ch. 7.2 - The following method compiles and executes but...Ch. 7.2 - Suppose that we add the following method to the...Ch. 7.3 - Prob. 15STQ Ch. 7.3 - Replace the last loop in Listing 7.8 with a loop...Ch. 7.3 - Suppose a is an array of values of type double....Ch. 7.3 - Suppose a is an array of values of type double...Ch. 7.3 - Prob. 19STQ Ch. 7.3 - Consider the partially filled array a from...Ch. 7.3 - Repeat the previous question, but this time assume...Ch. 7.3 - Write an accessor method getEntryArray for the...Ch. 7.4 - Prob. 23STQ Ch. 7.4 - Write the invocation of the method selectionSort...Ch. 7.4 - How would you need to change the method...Ch. 7.4 - How would you need to change the method...Ch. 7.4 - Consider an array b of int values in which a value...Ch. 7.5 - What output is produced by the following code?...Ch. 7.5 - Revise the method showTable in Listing 7.13 so...Ch. 7.5 - Write code that will fill the following array a...Ch. 7.5 - Write a void method called display such that the...Ch. 7.6 - Prob. 33STQ Ch. 7.6 - Prob. 34STQ Ch. 7 - Write a program in a class NumberAboveAverage that...Ch. 7 - Write a program in a class CountFamiles that...Ch. 7 - Write a program in a class CountPoor that counts...Ch. 7 - Write a program in a class FlowerCounter that...Ch. 7 - Write a program in a class characterFrequency that...Ch. 7 - Create a class Ledger that will record the sales...Ch. 7 - Define the following methods for the class Ledger,...Ch. 7 - Write a static method isStrictlyIncreasing (double...Ch. 7 - Write a static method removeDuplicates(Character[]...Ch. 7 - Write a static method remove {int v, int [] in}...Ch. 7 - Suppose that we are selling boxes of candy for a...Ch. 7 - Create a class polynomial that is used to evaluate...Ch. 7 - Write a method beyond LastEntry (position) for the...Ch. 7 - Revise the class OneWayNoRepeatsList, as given in...Ch. 7 - Write a static method for selection sort that will...Ch. 7 - Overload the method selectionSort in Listing 7.10...Ch. 7 - Revise the method selectionSort that appears in...Ch. 7 - Prob. 18E Ch. 7 - Write a sequential search of an array of integers,...Ch. 7 - Write a static method findFigure (picture,...Ch. 7 - Write a static method blur (double [] [] picture)...Ch. 7 - Write a program that reads integers, one per line,...Ch. 7 - The following code creates a small phone book. An...Ch. 7 - Write the method rotateRight that takes an array...Ch. 7 - The following code creates a ragged 2D array. The...Ch. 7 - Write a program that will read a line of text that...Ch. 7 - A palindrome is a word or phrase that reads the...Ch. 7 - Add a method bubbleSort to the class ArraySorter,...Ch. 7 - Add a method insertionSort to the class...Ch. 7 - The class TimeBook in Listing 7.14 is not really...Ch. 7 - Define a class called TicTacToe. An object of type...Ch. 7 - Repeat Programming Project 10 from Chapter 5 but...Ch. 7 - Prob. 8PP Ch. 7 - Write a GUI application that displays a picture of...Ch. 7 - ELIZA was a program written in 1966 that parodied...Ch. 7 - Prob. 11PP Ch. 7 - Create a GUI application that draws the following...Ch. 7 - Practice Program 2 used two arrays to implement a...Ch. 7 - Practice Program 5.4 asked you to define Trivia...

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