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Code share for StackOverflow CSV example
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package com.stackoverflow; | |
import java.io.BufferedReader; | |
import java.io.File; | |
import java.io.FileReader; | |
import java.io.IOException; | |
import java.util.HashMap; | |
public class Csv { | |
public Csv() { | |
// TODO Auto-generated constructor stub | |
} | |
public static void main(String[] args) throws IOException { | |
File file = new File("StatesAbbreviations.csv"); | |
var stateToAbbreviation = new HashMap<String, String>(); | |
try (BufferedReader bufferedReader = new BufferedReader(new FileReader(file))) { | |
String abbrevInfo; | |
while ((abbrevInfo = bufferedReader.readLine()) != null) { | |
String[] stats = abbrevInfo.split(","); | |
// stats[0] may be empty, but never null, no check required | |
stateToAbbreviation.put(stats[0], stats[1]); | |
} | |
} catch (IOException e) { | |
// replace with your own checked exception | |
throw new RuntimeException("Could not read abbreviations from CSV file", e); | |
} | |
for (String key: stateToAbbreviation.keySet()){ | |
System.out.println(key +" = "+stateToAbbreviation.get(key)); | |
} | |
} | |
} |
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