More NetBeans moments

Assignments/MP3_CalebFontenot/src/mp3_calebfontenot/Stats.java

@@ -4,13 +4,53 @@
  */
 package mp3_calebfontenot;
 
+import java.util.Scanner;
+
 /**
  *
  * @author caleb
  */
 public class Stats {
-    public static void main(String[] args)
+
-    {
+    public static void main(String[] args) {
-        
+        // Create scanner
+        Scanner input = new Scanner(System.in);
+        // Define variables
+        double mean = 0; //It's twice as mean
+        double inputSum = 0, numberOfTimesRun = 0, inputPow = 0, deviation = 0;
+        String userInput = "";
+
+        // Prompt for input
+        do {
+            System.out.println("Press Y/y to enter a series of numbers or Q/q to quit.");
+            System.out.println("Current sum: " + inputSum);
+            userInput = input.next();
+            if (userInput.toLowerCase().equals("y")) {
+                try {
+                    do {
+                        System.out.print("Please enter a series of numbers; Type '-1' to quit (no quotes, you doofus!): ");
+                        userInput = input.next();
+                        if (Double.parseDouble(userInput) != -1) {
+                            inputSum += Double.parseDouble(userInput);
+                            inputPow += Math.pow(Double.parseDouble(userInput), 2);
+                            numberOfTimesRun++; // counter to store number of times we've added to input sum
+                        }
+                        System.out.println("Current sum: " + inputSum);
+                        System.out.println("Input sum^2: " + inputPow);
+                    } while (Double.parseDouble(userInput) != -1);
+                } catch (Exception e) {
+                    System.out.println("Invalid input!");
+                }
+            }
+            // Calculate mean
+            mean = inputSum / numberOfTimesRun;
+            // Calculate deviation
+            deviation = ((numberOfTimesRun - 1) / (inputPow - (Math.pow(inputSum, 2) / numberOfTimesRun)));
+            
+            System.out.println();
+            System.out.println("The mean is: " + mean);
+            System.out.println("The deviation is: " + deviation);
+
+        } while (!(userInput.toLowerCase().equals("q")));
     }
 }

Test Project/src/main/java/com/mycompany/mavenproject1/Tyler.java

@@ -0,0 +1,168 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package com.mycompany.mavenproject1;
+
+/**
+ *
+ * @author caleb
+ */
+import java.util.Scanner;
+
+public class Tyler {
+    public static void main(String[] args) {
+        Scanner in = new Scanner(System.in);
+
+        double percentage = 0.3; //initializing variables
+        System.out.print("Enter the number of players: ");
+        int size = in.nextInt();
+
+        System.out.println("Contest with percentage set to 0.3: "); //each contest with percentages assigned
+        System.out.println();
+        contest(size, percentage);
+
+        percentage = 0.2;
+        System.out.println("Contest with percentage set to 0.2: ");
+        System.out.println();
+        contest(size, percentage);
+
+        percentage = 0.1;
+        System.out.println("Contest with percentage set to 0.1: ");
+        System.out.println();
+        contest(size, percentage);
+    }
+
+    public static int getWinner(int one, int two) { //randomly decides winner, if loop says all
+        double random = Math.random();
+        if (random <= 0.5) {
+            return one;
+        }
+        else {
+            return two;
+        }
+    }
+
+    public static boolean contestRound(int[] array) { //changes the values in the array
+        int first = (int) Math.round(Math.random() * array.length); //randomly assigns variables for the two indecies of
+        if (first == 10) {                                          //the values that we will change. None of the variables
+            first--;                                                //will equal the length of the array
+        }
+
+        while (array[first] == 0) { //Finds an index of the array where the value is positive when the value is zero
+            first = (int) Math.round(Math.random() * array.length);
+            if (first == 10) {
+                first--;
+            }
+        }
+
+        int second = (int) Math.round(Math.random() * array.length );
+        if (second == 10) {
+            second--;
+        }
+        while (array[second] == 0 && second != first) {
+            second = (int) Math.round(Math.random() * array.length);
+            if (second == 10) {
+                second--;
+            }
+        }
+
+        int returned = getWinner(first, second); //sees who wins
+
+        if (returned == array[first]) { //changes index values based on who won
+            array[first]++;
+            array[second]--;
+        }
+        else {
+            array[second]++;
+            array[first]--;
+        }
+
+        if (array[first] == 0 || array[second] == 0) { //return statement
+            return true;
+        }
+        else {
+            return false;
+        }
+    }
+
+    public static int countPlayers(int[] array) { // counts all the non-zero numbers in the token array
+        int count = 0;
+        for (int element : array)
+            if (element != 0)
+                count++;
+        return count;
+    }
+
+    public static void printPlayers(int[] array) { // prints out the non-zero parts of the token array
+        int highest=0, highestAt=0, lowest=100, lowestAt=0; //initializes variables
+
+        System.out.print("Players   "); //prints out the index of each player with a positive value
+        for (int i = 0; i < array.length; i++)
+            if (array[i] != 0)
+                System.out.print(i + "   ");
+
+        System.out.println();
+        System.out.print("Values    "); //prints the values of the indexes from before
+        for (int i = 0; i < array.length; i++) {
+            if (array[i] != 0) {
+                System.out.print(array[i] + "   ");
+            }
+        }
+
+        int count = 0;
+        for (int i = 0; i < array.length; i++) { //Could not find a better way to figure out which is highest and which
+            if (array[i] > 0) {                  //is lowest, so created new array with only the positive values.
+                count++;                         //this loop calculates how many positive values there are to set the
+            }                                    //length of the new index
+        }
+
+        int[] positives = new int[count];
+        int pos = 0;
+        for (int i = 0; i < array.length; i++) { //finds the values of the initialized variables
+            if (array[i] > 0) {
+                positives[pos] = array[i];
+                pos++;
+            }
+            if (array[i] > highest) {
+                highest = array[i];
+                highestAt = i;
+            }
+            if (array[i] < lowest && array[i] != 0){
+                lowest = array[i];
+                lowestAt = i;
+            }
+        }
+
+        System.out.println(); //prints out the variables
+        System.out.println("Highest Player Index: " + highestAt + ", Value : " + highest + "; Lowest Player Index: " + lowestAt + ", Value: " + lowest);
+        System.out.println();
+    }
+
+    public static void contest(int size, double percentage) { // calls other methods to do the contest
+        int square = (int) Math.ceil(Math.sqrt(size));
+        int[] array = new int[size]; //creates the array we'll use for the contest
+
+        for (int i = 0; i < array.length; i++) { //assigns each value of the array the same thing
+            array[i] = square;
+        }
+
+        printPlayers(array); //prints the first line
+
+        int perc = (int) Math.round(array.length * percentage); //calculates which is higher, 2 or the percentage of the length
+        if (perc < 2) {
+            perc = 2;
+        }
+
+
+        int count = countPlayers(array);
+        boolean contesting = contestRound(array); //loop that does the contests
+        while (count > perc) {
+            contesting = contestRound(array);
+            if (contesting == true) {
+                printPlayers(array);
+                count = countPlayers(array);
+            }
+        }
+    }
+}