Test.java Source code

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Introduction

Here is the source code for Test.java

Source

import java.nio.ByteBuffer;
import java.nio.channels.AsynchronousFileChannel;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.concurrent.Future;

public class Test {
    public static void main(String[] args) throws Exception {
        Path file = Paths.get("/usr/a.txt");
        AsynchronousFileChannel channel = AsynchronousFileChannel.open(file);

        ByteBuffer buffer = ByteBuffer.allocate(100_000);
        Future<Integer> result = channel.read(buffer, 0);

        while (!result.isDone()) {
            ProfitCalculator.calculateTax();
        }
        Integer bytesRead = result.get();
        System.out.println("Bytes read [" + bytesRead + "]");
    }
}

class ProfitCalculator {
    public ProfitCalculator() {
    }

    public static void calculateTax() {
    }
}