Create ExampleApp.java

Author: lewysDavies

src/test/java/com/lewdev/probabilitylib/ExampleApp.java

@@ -0,0 +1,37 @@
+package com.lewdev.probabilitylib;
+
+public class App {
+
+	public static void main(String[] args) {
+		ProbabilityCollection<String> collection = new ProbabilityCollection<>();
+		
+		collection.add("A", 50);
+		collection.add("B", 25);
+		collection.add("C", 10);
+		
+		int a = 0, b = 0, c = 0;
+		int totalGets = 100000;
+		
+		for(int i = 0; i < totalGets; i++) {
+			String random = collection.get();
+			
+			if(random.equals("A")) a++;
+			else if(random.equals("B")) b++;
+			else if(random.equals("C")) c++;
+		}
+		
+		double aProb = 50.0 / (double) collection.getTotalProbability() * 100;
+		double bProb = 25.0 / (double) collection.getTotalProbability() * 100;
+		double cProb = 10.0 / (double) collection.getTotalProbability() * 100;
+		
+		double aResult = a / (double) totalGets * 100;
+		double bResult = b / (double) totalGets * 100;
+		double cResult = c / (double) totalGets * 100;
+		
+		System.out.println("   Prob     |  Actual");
+		System.out.println("-----------------------");
+		System.out.printf("A: %.3f%%  |  %.3f%% \n", aProb, aResult);
+		System.out.printf("B: %.3f%%  |  %.3f%% \n", bProb, bResult);
+		System.out.printf("C: %.3f%%  |  %.3f%% \n", cProb, cResult);
+	}
+}