Thread: How to store 2 related elements using a 2x2 array

Please guys,

I have the simple table below:

currency amount
€ 2.0
$ 4.0
£ 5.0

How could I store the currency and amount in an array? A 2x2 array would do this but how to store them and retrieve them
is the challenge. For example, I have a method that asks the user for two inputs, the currency and the amount and using the array as a chat table where I could map the currency to the the currency input entered by the user, I could do some calculations with the amount entered by the user. Anyone, willing to help or point me to how I could represent the 2x2 array?

Thanks

Hi KevinWorman,

Ok, let's assume the table above is now stored in a file..
//file.txt

3 //this is the length of each line.
€ 2.0
$ 4.0
£ 5.0

This would mean, the file has 3 lines with each line containing the currency and the value; both separated by a space..Now, I want to read each line and get only the currency and store in a single array.. The code below is what I have written except I need a way to modify it to work with what I am thinking..

String currencyArray[] = new String[6]; //declare the array
BufferedReader br;
		try {
			br = new BufferedReader(new FileReader(new File("file.txt")));
			String line = new String();
                        int i = 0;
			while ((line = br.readLine()) != null) {
				String[] lineParts = line.split("\\s+");
				  currencyArray[i] = lineParts[0];
                                  i++;
			}

I just want to know if my idea is correct? Also, the first line in the file has the number 3 which is the number of lines containing the currency-amount pair. The conventional thing to do is to read the first line and use that to reserve memory for the array == new int[3]; and then go to the nextLine() and start reading the values into the currencyArray array but bufferedReader do not have the nextLine() method. Anyway to get this around.