Main.java

package academy.prog;

import java.util.Scanner;
import net.thauvin.erik.crypto.*;

public class Main {
    public static void main(String[] args) throws Exception {
        var scanner = new Scanner(System.in);

        var price = CryptoPrice.spotPrice("BTC").getAmount().doubleValue();
        System.out.println("BTC price: " + price);

        System.out.println("How many $ do you have?");
        var dollars = scanner.nextDouble();

        System.out.println("You can buy BTC: " + dollars / price);
    }
}

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>academy.prog</groupId>
    <artifactId>untitled</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <maven.compiler.source>17</maven.compiler.source>
        <maven.compiler.target>17</maven.compiler.target>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>
    <dependencies>
        <dependency>
            <groupId>net.thauvin.erik</groupId>
            <artifactId>cryptoprice</artifactId>
            <version>1.0.0</version>
        </dependency>
    </dependencies>
</project>