week five exercises

.classpath

+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

.gitignore

+/bin/

.project

+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>weekFiveExercises</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

src/weekFiveExercises/Method_Exercises.java

+package weekFiveExercises;
+
+import java.util.Random;
+import java.util.Scanner;
+
+public class Method_Exercises
+{
+	static Scanner input = new Scanner(System.in);
+	public static void main(String[] args)
+	{
+		//System.out.print("The perimeter of this triangle is: " + perim(5, 5, 5));
+		//System.out.println("\nThe area of this triangle is: " + area(5 ,5, 5));
+		//tempMenu();
+		//int n = 10;
+		//System.out.println(fibonacci(n));
+		int n = 2;
+		int k = 3;
+		//System.out.println(power(n, k));
+		guessGame();
+	}
+	
+	public static int perim(int a, int b,int c)
+	{
+		int perim = a + b + c;
+		return perim;
+	}
+	public static double area(int a, int b,int c)
+
+	{
+		int s = (a + b + c)/2;
+		double area = Math.round(Math.sqrt(s * (s-a) * (s-b) * (s-c)));
+		return area;
+	}
+	
+	public static void tempMenu()
+	{
+		//repeat menu until the user selects quit
+		while(true)
+		{
+			System.out.println("Please choose from the following:");
+			System.out.println();
+			System.out.println("1 - Celcius to Fahrenheit");
+			System.out.println("2 - Fahrenheit to Clecius");
+			System.out.println("3 - Quit");
+			String choice = input.next();
+			
+			switch (choice)
+			{
+			case "1":
+				celToFah();
+				break;
+			case "2":
+				fahToCel();
+				break;
+			default:
+				System.out.println("Goodbye.");
+				System.exit(0);
+				break;
+			}
+		}//while loop ends
+	}
+
+	private static void celToFah()
+	{
+		System.out.println("Please enter the temp in Celcius: ");
+		int cel = input.nextInt();
+		double fah = 9.0 * cel/5 + 32;
+		System.out.println(cel + "in Fahrenheit is: " + fah);
+	}
+
+	private static void fahToCel()
+	{
+		 System.out.println("Please enter the temp in Fahrenheit: ");
+		 int fah = input.nextInt();
+		 double cel = (fah - 32) * 5/9;
+		 System.out.println(fah + "in Celcius is " + cel);
+	}
+	
+	public static int sum(int x, int y)
+	{
+		int result = x + y;
+		
+		return result;
+	}
+
+	public static int product(int a, int b, int c) 
+	{
+		int result = a * b * c;
+		System.out.println("Result is: " + result);
+		return result;
+	}
+	
+	public static int fibonacci(int n)
+	{
+		if (n <= 1)
+			return n;
+		return fibonacci(n-1) + fibonacci(n-2);
+	}
+	
+	public static double power(double n, double k)
+	{
+		double power = Math.pow(n, k);
+		System.out.println(n + "to the power of " + k + "is: ");
+		return power;
+	}
+
+	public static void isMultiple()
+	{
+		
+	}
+	
+	public static void guessGame() 
+	{
+		while(true)
+		{
+		Random rand = new Random();
+		int guessNum = rand.nextInt(1001);
+		//take guess from user
+		
+		System.out.print("Please enter your guess from 1 - 1000: ");
+		int guess = input.nextInt();
+		
+		if(guess > guessNum)
+		{
+			System.out.println("Too high, please try again");
+		}
+		else if(guess < guessNum)
+		{
+			System.out.println("Too low, please try again");
+		}
+		else if(guess == guessNum)
+		{
+			System.out.println("Correct, that was the right guess!");
+			break;
+		}
+		
+		}//end of while loop
+		System.out.println("Do you want to play again? Y/N");
+		String choice = input.next();
+		if(choice == "y")
+		{
+			guessGame();
+		}
+		else
+			System.out.println("Goodbye!");
+			System.exit(0);
+		
+	}
+}