import net.openhft.chronicle.map.ChronicleMap; import java.io.File; public class HighPerformanceDataProcessing { public static void main(String[] args) { ChronicleMap<String, Integer> dataMap = ChronicleMap .of(String.class, Integer.class) .averageValue(0) .entries(100000) .createPersistedTo(new File("dataStore.dat")); dataMap.put("key1", 1); dataMap.put("key2", 2); dataMap.put("key3", 3); int value1 = dataMap.get("key1"); int value2 = dataMap.get("key2"); int value3 = dataMap.get("key3"); System.out.println("Value for key1: " + value1); System.out.println("Value for key2: " + value2); System.out.println("Value for key3: " + value3); } }