//Ryan Lawrence
//TemperatureSensor.java contains all the methods used in the main java source.

import java.util.Random;

public class TemperatureSensor {

	private int  numberOfSim;
	private int firstTemp = 0, lastTemp = 0, lowTemp=999999, highTemp=0, sumTemp =0, randTempValue,avgTemp=0;
	Random randTemp = new Random();

	//Set method used to change the private variable
	public void setNumberOfSim(int numOfSim){
		numberOfSim = numOfSim;
	}

	//Method used to reinitialize all the variables
	public void reInitialize(){
		firstTemp=0;
		lastTemp=0;
		lowTemp=999999;
		highTemp=0; 
		sumTemp =0;
		avgTemp=0;
	}
	//Methods used for each season
	public void getWinterTemp(){
		for(int count = 0; count < numberOfSim; count++){
			randTempValue = 20 + randTemp.nextInt(20);	//Generate a random number between 20-40
			//captures the first iteration of the loop
			if (count == 0){			
				firstTemp=randTempValue;
			}
			//checks to see if the current random temperature is lower than the stored lowest.
			if (randTempValue <= lowTemp){	 				lowTemp = randTempValue; 			} 			//checks to see if the current random temperature is higher than the stored highest. 			if (randTempValue >= highTemp){
				highTemp = randTempValue;
			}
			//Stores the last value in the iteration
			if (count == (numberOfSim - 1)){
				lastTemp = randTempValue;
			}
			//Adds all the Generated Temperatures
			sumTemp += randTempValue;

		}
		//Calculate the average of all the generated temperatures.
		avgTemp = sumTemp/numberOfSim;

}
	public void getSpringTemp(){

		for(int count = 0; count < numberOfSim; count++){
			randTempValue = 40 + randTemp.nextInt(30);
			if (count == 0){
				firstTemp=randTempValue;
			}
			if (randTempValue <= lowTemp){ 				lowTemp = randTempValue; 			} 			if (randTempValue >= highTemp){
				highTemp = randTempValue;
			}
			if (count == (numberOfSim - 1)){
				lastTemp = randTempValue;
			}
			sumTemp += randTempValue;

		}
		avgTemp = sumTemp/numberOfSim;
	}

	public void getSummerTemp(){
		for(int count = 0; count < numberOfSim; count++){
			randTempValue = 70 + randTemp.nextInt(20);
			if (count == 0){
				firstTemp=randTempValue;
			}
			if (randTempValue <= lowTemp){ 				lowTemp = randTempValue; 			} 			if (randTempValue >= highTemp){
				highTemp = randTempValue;
			}
			if (count == (numberOfSim - 1)){
				lastTemp = randTempValue;
			}
			sumTemp += randTempValue;

		}
		avgTemp = sumTemp/numberOfSim;
	}

	public void getFallTemp(){
		for(int count = 0; count < numberOfSim; count++){
			randTempValue = 40 + randTemp.nextInt(20);
			if (count == 0){
				firstTemp=randTempValue;
			}
			if (randTempValue <= lowTemp){ 				lowTemp = randTempValue; 			} 			if (randTempValue >= highTemp){
				highTemp = randTempValue;
			}
			if (count == (numberOfSim - 1)){
				lastTemp = randTempValue;
			}
			sumTemp += randTempValue;

		}
		avgTemp = sumTemp/numberOfSim;
	}
	//method diplays all the information captured
	public void getOutputs(){
		System.out.printf("First Temperature: %d\n", firstTemp);
		System.out.printf("Last Temperature: %d\n", lastTemp);
		System.out.printf("Lowest Temperature: %d\n", lowTemp);
		System.out.printf("Highest Temperature: %d\n", highTemp);
		System.out.printf("Sum of Temperature: %d\n", sumTemp);
		System.out.printf("Average Temperature: %d\n", avgTemp);
	}

}

TemperatureSensorStats.java

//Ryan Lawrence
//TemperatureSensorStats.java implements the TemperatureSensor.java
import java.util.Scanner;
import java.util.InputMismatchException;
public class TemperatureSensorStats {

	public static void main(String[] args) {

		String loopControl = "yes";		//loop control for program
		Scanner loopControlInput = new Scanner(System.in);	//scanner object
		TemperatureSensor tempSensor = new TemperatureSensor();	//creates a new TemperatureSensor object
		Scanner numSim = new Scanner(System.in);
		Scanner season = new Scanner(System.in);

		//while loop used to keep the program running until user enters no
		while(loopControl.equals("yes")){

			int choice;
			int numSimValue;
			//Exception handling- tests to ensure the user enters an integer
			try{
				System.out.println("Select Season");
				System.out.println("1 - Winter\n2 - Spring\n3 - Summer\n4 - Fall\n");
				System.out.println("Choice: ");
				choice = season.nextInt();
			}
			//If the user enters anything that is not an integer an error is displayed and the program restarts
			catch (InputMismatchException inputMismatchException){
				System.out.printf("\nException: %s\n", inputMismatchException);
				season.nextLine();
				System.out.println("Must enter an Integer\n");
				continue;

			}
			//If statement is used to ensure the user enters a value from the choices given
			//If they do not the program restarts
			if(choice==0 || choice > 4){
				System.out.println("Invalid Choice\n");
				continue;
			}
			//Exception handling- tests to ensure the user enters an integer
			try{
				System.out.println("Enter Number of Simulations to Run: ");
				numSimValue = numSim.nextInt();		
			}
			//If the user enters anything that is not an integer an error is displayed and the program restarts
			catch(InputMismatchException inputMismatchException2){
				System.out.printf("\nException: %s\n", inputMismatchException2);
				numSim.nextLine();
				System.out.println("Must enter an Integer. Restarting Program\n");
				continue;
			}
			//set method called
			tempSensor.setNumberOfSim(numSimValue);
			//switch statement used to determine which get method to use
			switch (choice){
			case 1:
				tempSensor.getWinterTemp();
				tempSensor.getOutputs();
				break;
			case 2:
				tempSensor.getSpringTemp();
				tempSensor.getOutputs();
				break;
			case 3:
				tempSensor.getSummerTemp();
				tempSensor.getOutputs();
				break;
			case 4:
				tempSensor.getFallTemp();
				tempSensor.getOutputs();
				break;
			}
		tempSensor.reInitialize();	//reinitialize all the variables of the object

		//Prompts the user, if they would like to run the program again
		System.out.println("Would you like to run the simulation again?[yes/no]: ");
		loopControl=loopControlInput.nextLine();
		}
	}

}