Считать данные в HashMap, которые записаны попарно на строку

import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
 
/**
 * Created by Oleg on 30.05.14.
 */
public class Example1 {
 
    private static int getRecordsFromFile(File file, char[] buffer) throws IOException {
 
        if(!file.exists())
            System.out.println("File not found");
 
        //create fileReader
        FileReader fileReader = new FileReader(file);
 
        //read records from file
        while( fileReader.ready() ) {
            fileReader.read(buffer);
        }
 
        return 0;
    }
 
    //buffer for keys
    static String[] bufArrayKeys;
 
    //buffer for values
    static String[] bufArrayValues;
 
 
    public static int charToString(char[] buffer, String[] arrayKeys, String[] arrayValues) {
 
        //text from file into string
        String character = new String(buffer);
 
        //split text from file
        String[] test =  character.trim().split("\\s+");
 
        //var for save keys
        String  testKey = new String();
 
        //var for save values
        String  testValue = new String();
 
        //input in test1 keys from file
        for(int i = 0; i < test.length; i+= 2) {
            testKey += test[i] + " ";
        }
 
        //input in testValue values from file
        for(int i = 1; i < test.length; i += 2) {
            testValue  += test[i] + " ";
        }
 
        //do word (keys)
        arrayKeys = testKey.trim().split(" ");
        bufArrayKeys = arrayKeys;
 
        //do word (values)
        arrayValues = testValue.trim().split(" ");
        bufArrayValues = arrayValues;
 
        return 0;
    }
 
 
    public static void main(String[] args) throws IOException {
 
        //array text from file
        char[] buffer = new char[1000];
 
        //var for argument(keys) in method charToString
        String[] keys = new String[10];
 
        //var for argument(values) in method charToString
        String[] values = new String[10];
 
        //call method and read text from file
        getRecordsFromFile(new File(".idea/temp.txt"), buffer);
 
        //converting and spliting text from file in good format
        charToString(buffer, keys, values);
 
        //create map
        Map<String, String> map;
 
        map = new HashMap<String, String>();
 
        //insert records from file into HashMap
        for(int i = 0; i < bufArrayKeys.length; i++)
            map.put(bufArrayKeys[i], bufArrayValues[i]);
 
        //display content of HashMap
        for (Map.Entry entry : map.entrySet()) {
            System.out.println("Key: " + entry.getKey() + " Value: "
                    + entry.getValue());
        }
    }
}