MyLab Programming with Pearson eText -- Access Card -- for Introduction to Java Programming and Data Structures, Comprehensive Version

11th Edition

ISBN: 9780134672816

Author: Liang

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 18, Problem 18.17PE

(Occurrences of a specified character in an array) Write a recursive method that finds the number of occurrences of a specified character in an array. You need to define the following two methods. The second one is a recursive helper method.

public static int count(char[] chars, char ch)

public static int count(char[] chars, char ch, int high)

Write a test program that prompts the user to enter a list of characters in one line, and a character, and displays the number of occurrences of the character in the list.

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Chapter 18, Problem 18.16PE

Chapter 18, Problem 18.18PE

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Chapter 18 Solutions

MyLab Programming with Pearson eText -- Access Card -- for Introduction to Java Programming and Data Structures, Comprehensive Version

Ch. 18.2 - What is a recursive method? What is an infinite...Ch. 18.2 - Prob. 18.2.2CP Ch. 18.2 - Show the output of the following programs and...Ch. 18.2 - Prob. 18.2.4CP Ch. 18.2 - Prob. 18.2.5CP Ch. 18.2 - Write a recursive mathematical definition for...Ch. 18.3 - Prob. 18.3.1CP Ch. 18.3 - What is wrong in the following methods?Ch. 18.3 - Prob. 18.3.3CP Ch. 18.4 - Describe the characteristics of recursive methods.

Ch. 18.4 - Prob. 18.4.2CP Ch. 18.4 - Prob. 18.4.3CP Ch. 18.5 - Prob. 18.5.1CP Ch. 18.5 - Prob. 18.5.2CP Ch. 18.5 - What is a recursive helper method?Ch. 18.6 - Prob. 18.6.1CP Ch. 18.6 - How does the program get all files and directories...Ch. 18.6 - How many times will the getSize method be invoked...Ch. 18.6 - Will the program work if the directory is empty...Ch. 18.6 - Will the program work if line 20 is replaced by...Ch. 18.6 - Will the program work if lines 20 and 21 are...Ch. 18.7 - Prob. 18.7.1CP Ch. 18.8 - Prob. 18.8.1CP Ch. 18.8 - Prob. 18.8.2CP Ch. 18.8 - How many times is the displayTriangles method...Ch. 18.8 - Prob. 18.8.4CP Ch. 18.8 - Prob. 18.8.5CP Ch. 18.9 - Which of the following statements are true? a. Any...Ch. 18.9 - Prob. 18.9.2CP Ch. 18.10 - Identify tail-recursive methods in this chapter.Ch. 18.10 - Rewrite the fib method in Listing 18.2 using tail...Ch. 18 - Prob. 18.1PE Ch. 18 - Prob. 18.2PE Ch. 18 - (Compute greatest common divisor using recursion)...Ch. 18 - (Sum series) Write a recursive method to compute...Ch. 18 - (Sum series) Write a recursive method to compute...Ch. 18 - (Sum series) Write a recursive method to compute...Ch. 18 - (Fibonacci series) Modify Listing 18.2,...Ch. 18 - Prob. 18.8PE Ch. 18 - (Print the characters in a string reversely) Write...Ch. 18 - (Occurrences of a specified character in a string)...Ch. 18 - Prob. 18.11PE Ch. 18 - (Print the characters in a string reversely)...Ch. 18 - (Find the largest number in an array) Write a...Ch. 18 - (Find the number of uppercase letters in a string)...Ch. 18 - Prob. 18.15PE Ch. 18 - (Find the number of uppercase letters in an array)...Ch. 18 - (Occurrences of a specified character in an array)...Ch. 18 - (Tower of Hanoi) Modify Listing 18.8,...Ch. 18 - Prob. 18.19PE Ch. 18 - (Display circles) Write a Java program that...Ch. 18 - (Decimal to binary) Write a recursive method that...Ch. 18 - (Decimal to hex) Write a recursive method that...Ch. 18 - (Binary to decimal) Write a recursive method that...Ch. 18 - (Hex to decimal) Write a recursive method that...Ch. 18 - Prob. 18.25PE Ch. 18 - (Create a maze) Write a program that will find a...Ch. 18 - (Koch snowflake fractal) The text presented the...Ch. 18 - (Nonrecursive directory size) Rewrite Listing...Ch. 18 - (Number of files in a directory) Write a program...Ch. 18 - (Game: Knights Tour) The Knights Tour is an...Ch. 18 - (Game: Knights Tour animation) Write a program for...Ch. 18 - (Game: Eight Queens) The Eight Queens problem is...Ch. 18 - Prob. 18.35PE Ch. 18 - (Sierpinski triangle) Write a program that lets...Ch. 18 - (Hilbert curve) The Hilbert curve, first described...Ch. 18 - (Recursive tree) Write a program to display a...Ch. 18 - Prob. 18.39PE

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