Building Java Programs: A Back To Basics Approach, Loose Leaf Edition (5th Edition)
5th Edition
ISBN: 9780135472118
Author: Stuart Reges, Marty Stepp
Publisher: PEARSON
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Chapter 6.2, Problem 9SCP
Program Plan Intro
Accessing files in java:
- For accessing a file from inside a java
program , the user should construct an internal object that represents the file. - The class “File” helps the user to create an object that represents the file.
- The object can be created by the following line of code,
File f = new File(“halmet.txt”);
- If the file and the programs are in different directories, the path of the file should be given when referring.
Explanation of Solution
b.
Legal ways to refer to a file "C:/Users/amanda/Documents/programs/data/homework6/input.dat":
- In two ways the user can refer the given file. That are,
- "C:/Users/amanda/Documents/programs/data/homework6/input...
Explanation of Solution
c.
Legal ways to refer to a file "C:/Users/amanda/Documents/homework/data.txt":
- The given file can be referred as,
- ...
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Methods (Ch6) - Review
1. (The MyRoot method) Below is a manual implementation of the Math.sqrt() method in Java.
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public class SquareRoot {
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public static double myRoot(int number) {
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root=number/2;
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do {
root old root;
root (root_old+number/root_old)/2;
} while (Math.abs(root_old-root)>1.8E-6);
return root;
}
// Method that calculates the square root of double variables
public static double myRoot(double number) {
double root;
root number/2;
double root_old;
do {
root old root;
root (root_old+number/root_old)/2;
while (Math.abs (root_old-root)>1.0E-6);
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Chapter 6 Solutions
Building Java Programs: A Back To Basics Approach, Loose Leaf Edition (5th Edition)
Ch. 6.1 - What is a file? How can we read data from a file...Ch. 6.1 - Prob. 2SCPCh. 6.1 - Prob. 3SCPCh. 6.1 - Prob. 4SCPCh. 6.2 - Prob. 5SCPCh. 6.2 - Prob. 6SCPCh. 6.2 - Prob. 7SCPCh. 6.2 - What is wrong with the following line of...Ch. 6.2 - Prob. 9SCPCh. 6.2 - Prob. 10SCP
Ch. 6.2 - Prob. 11SCPCh. 6.3 - Prob. 12SCPCh. 6.3 - Prob. 13SCPCh. 6.3 - For the next several questions, consider a file...Ch. 6.3 - Prob. 15SCPCh. 6.3 - Prob. 16SCPCh. 6.3 - Prob. 17SCPCh. 6.3 - Prob. 18SCPCh. 6.4 - What object is used to write output to a file?...Ch. 6.4 - Prob. 20SCPCh. 6.4 - Write code that repeatedly prompts the user for a...Ch. 6.4 - Prob. 22SCPCh. 6 - Prob. 1ECh. 6 - Prob. 2ECh. 6 - Prob. 3ECh. 6 - Write a method called countCoins that accepts a...Ch. 6 - Prob. 5ECh. 6 - Write a method called readEntireFile that accepts...Ch. 6 - Prob. 7ECh. 6 - Prob. 8ECh. 6 - Write a method called wordWrap that accepts a...Ch. 6 - Prob. 10ECh. 6 - Prob. 11ECh. 6 - Prob. 12ECh. 6 - Prob. 13ECh. 6 - Write a method called printDuplicates that takes...Ch. 6 - Prob. 15ECh. 6 - Prob. 16ECh. 6 - Write a method called inputStats that accepts a...Ch. 6 - Prob. 18ECh. 6 - Prob. 19ECh. 6 - Students are often asked to write term papers...Ch. 6 - Write a program that compares two files and prints...Ch. 6 - Write a program that prompts the user for a file...Ch. 6 - Write a program that reads a file containing data...Ch. 6 - Write a program that plays a game where a player...
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