View difference between Paste ID: mRpVADYw and BqKTcvd9

 import java.util.Scanner;
 
 public class Converter {
 
 	public static void main(String[] args) {
 		Scanner keyboard = new Scanner(System.in);
 
 		System.out.println("Welcome to the Fahrenheit/Celsius Converter!");
 		System.out
 				.println("To convert, type in your temperature and the identify if you are using fahrenheit or celsius.");
 		System.out.println("Example: 69F or 69C F = Fahrenheit C = Celsius");
 
 		String temperature;
 		char f = 'f';
 		char c = 'c';
 		char C = 'C';
 		double answer, temp;
 
 		temperature = keyboard.nextLine();
 
 		if (temperature.contains("C")) {
 			temperature = temperature.replace(C, ' ');
 			temp = Double.valueOf(temperature);
 			answer = (double) (temp * (9 / 5) + 32);
 			System.out.println("Poof! The temperature is " + answer + "F");
-		} else
+		} else if (temperature.contains("c")) {
 				temperature = temperature.replace(c, ' ');
-			if (temperature.contains("c")) {
+
 				answer = (double) (temp * (9 / 5) + 32);
 				System.out.println("Poof! The temperature is " + answer + "F");
 		} else if (temperature.contains("F")) {
 				temperature = temperature.replace(f, ' ');
-			} else
+
 				answer = (double) ((temp - 30) * (5 / 9));
-				if (temperature.contains("F")) {
+				System.out.println("Poof! The temperature is " + answer
-					temperature = temperature.replace(f, ' ');
+
-					temp = Double.valueOf(temperature);
+		} else if (temperature.contains("f")) {
-					answer = (double) ((temp - 30) * (5 / 9));
+				temperature = temperature.replace(f, ' ');
-					System.out.println("Poof! The temperature is " + answer
+
 				answer = (double) ((temp - 30) * (5/9));
-				} else
+				System.out.println("Poof! The temperature is " + answer
 								+ "C");
-					if (temperature.contains("f")) {
+		} else {
-						temperature = temperature.replace(f, ' ');
+			System.out.println("You entered the temperature wrong!");
-						temp = Double.valueOf(temperature);
+
-						answer = (double) ((temp - 30) * (5/9));
+
-						System.out.println("Poof! The temperature is " + answer
+
 }