将文本文件中的值添加到 HashMap 中

Question

I need to add values from a text file with lots of data into a HashMap. This is a tiny sample from the content of the text file:

Outlook Temperature Humidity Windy GoOutside
sunny...........hot..............high..........false.....No
overcast........hot...............high.........false......Yes

the "....." are spaces in the text file.

I have stored the heading of each column in an array and I want them to be the keys in my HashMap, so for example

   array[0] == "outlook" 

I have the following HashMap

HashMap<String, String> map = new HashMap<String, String>();

Assuming that the program is reading the file correctly, how can I make sure that I am inserting each value into the correct key?

Thank you for your time

Answer 1

Use HashMap inbuit function put to insert keys into the HashMap and use get function to get the value of any particular key inserted into the HashMap.

        HashMap<String,String[]> map = new HashMap<>();
        //write code for taking input from file into string arrays
        for(int i = 0; i < numOfRows; i++){
            for(int j = 0; j < 4; j++){
                map.put(weather[i], condition[i][j]);
            }
        }

Here i is number of rows of input for each weather and j is for the following string value ie, temperature, humidity, windy and go outside.