Randomizer.java

// This specific Java code was given by CodeHS, to help with the random number aspect of the program
import java.util.*;

public class Randomizer
{

 public static Random theInstance = null;
 
 public Randomizer(){
  
 }
 
 public static Random getInstance(){
  if(theInstance == null){
   theInstance = new Random();
  }
  return theInstance;
 }
 
 public static boolean nextBoolean(){
  return Randomizer.getInstance().nextBoolean();
 }

 public static boolean nextBoolean(double probability){
  return Randomizer.nextDouble() < probability;
 }
 
 public static int nextInt(){
  return Randomizer.getInstance().nextInt();
 }

 public static int nextInt(int n){
  return Randomizer.getInstance().nextInt(n);
 }

 public static int nextInt(int min, int max){
  return min + Randomizer.nextInt(max - min + 1);
 }

 public static double nextDouble(){
  return Randomizer.getInstance().nextDouble();
 }

 public static double nextDouble(double min, double max){
  return min + (max - min) * Randomizer.nextDouble();
 }

 
}