-
-
Save bytecodeman/51d416a90425c768628cf8229467a33b to your computer and use it in GitHub Desktop.
CSC-111 Just some random array exercises
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
* Name: A.C. Silvestri | |
* Date: 11/15/2019 | |
* Course Number CSC-111 | |
* Course Name: Intro to Java | |
* Problem Number: NA | |
* Email: silvestri@stcc.edu | |
* Description: Just some random array exercises | |
*/ | |
import java.io.File; | |
import java.io.FileNotFoundException; | |
import java.io.IOException; | |
import java.net.MalformedURLException; | |
import java.net.URL; | |
import java.util.Scanner; | |
public class RandomArrayMethods { | |
private final static String TITLE = "Random Array Methods"; | |
private final static String CONTINUE_PROMPT = "Do this again? [y/N] "; | |
//********************************************** | |
// Put as many methods you need here | |
private static void printData(double[] x) { | |
for (int i = 0; i < x.length; i++) { | |
System.out.printf("%8.2f", x[i]); | |
if ((i+1) % 10 == 0) { | |
System.out.println(); | |
} | |
} | |
System.out.println(); | |
} | |
private static double findMaximumValue(double[] data) { | |
double max = data[0]; | |
for (int i = 1; i < data.length; i++) { | |
if (data[i] > max) | |
max = data[i]; | |
} | |
return max; | |
} | |
private static double findMinimumValue(double[] data) { | |
double min = data[0]; | |
for (int i = 1; i < data.length; i++) { | |
if (data[i] < min) | |
min = data[i]; | |
} | |
return min; | |
} | |
private static double[] findMinMaxValue(double[] data) { | |
double min = data[0]; | |
double max = data[0]; | |
for (int i = 1; i < data.length; i++) { | |
if (data[i] < min) | |
min = data[i]; | |
else if (data[i] > max) | |
max = data[i]; | |
} | |
return new double[] {min, max}; | |
} | |
private static double[] generateArray(int size) { | |
double x[] = new double[size]; | |
for (int i = 0; i < x.length; i++) { | |
x[i] = 1000 * Math.random(); | |
} | |
return x; | |
} | |
// First number in file indicates the number of numbers that follow | |
private static double[] readDataFileFromWebServer(String filename) throws IOException { | |
URL url = new URL("https://cs.stcc.edu/~silvestri/csc111/" + filename); | |
Scanner fileInput = new Scanner(url.openStream()); | |
int size = fileInput.nextInt(); | |
double x[] = new double[size]; | |
for (int i = 0; i < x.length; i++) | |
x[i] = fileInput.nextDouble(); | |
fileInput.close(); | |
return x; | |
} | |
private static double[] readDataFileFromLocalFileSystem(String filename) throws IOException { | |
File file = new File(filename); | |
Scanner fileInput = new Scanner(file); | |
int size = fileInput.nextInt(); | |
double x[] = new double[size]; | |
for (int i = 0; i < x.length; i++) | |
x[i] = fileInput.nextDouble(); | |
fileInput.close(); | |
return x; | |
} | |
//********************************************** | |
// Start your logic coding in the process method | |
private static void process(Scanner input, String args[]) throws IOException { | |
System.out.println("Enter filename: "); | |
String filename = input.nextLine(); | |
double data[] = readDataFileFromWebServer(filename); | |
//double data[] = readDataFileFromLocalFileSystem(filename); | |
printData(data); | |
System.out.print("Maximum Value: "); | |
double max = findMaximumValue(data); | |
System.out.println(max); | |
System.out.print("Minimum Value: "); | |
double min = findMinimumValue(data); | |
System.out.println(min); | |
System.out.print("Min and Max Values: "); | |
double minmax[] = findMinMaxValue(data); | |
System.out.println(minmax[0] + " " + minmax[1]); | |
//sc.nextLine(); | |
} | |
//********************************************** | |
// Do not change the doThisAgain method | |
private static boolean doThisAgain(Scanner sc, String prompt) { | |
System.out.print(prompt); | |
String doOver = sc.nextLine(); | |
return doOver.trim().equalsIgnoreCase("Y"); | |
} | |
//********************************************** | |
// Do not change the main method | |
public static void main(String args[]) throws IOException { | |
System.out.println("Welcome to " + TITLE); | |
Scanner sc = new Scanner(System.in); | |
do { | |
process(sc, args); | |
} while (doThisAgain(sc, CONTINUE_PROMPT)); | |
sc.close(); | |
System.out.println("Thank you for using " + TITLE); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment