UMLDiagram.plantuml

@startuml Crypto Mining App

class CryptoMiningApp {
    + run(): void
    + {static} main(args: String[]): void
}

class APIAccessor {
    - price: BitcoinPrice
    + APIAccessor()
    + retrieveData(inputUrl: String): BitcoinPrice
}

class BitcoinMiner {
    - name: String
    - dailyBitcoinOutput: double
    - wattage: int
    - hourlyEfficiency: double[]
    + BitcoinMiner(name: String, hourlyBitcoinOutput: double, wattage: int)
    + getName(): String
    + getDailyBitcoinOutput(): double
    + getWattage(): int
    + getHourlyEfficiency(): double[]
    + setHourlyEfficiency(hour: int, hourlyEfficiency: double): void
}

class BitcoinPrice {
    - time: JsonObject
    - disclaimer: String
    - chartName: String
    - bpi: JsonObject
    + BitcoinPrice(time: JsonObject, disclaimer: String, chartName: String, bpi: JsonObject)
    + getTime(): JsonObject
    + getDisclaimer(): String
    + getChartName(): String
    + getBPI(): JsonObject
    + getRate(currency: String): double
}

class MiningCalculator {
    - filename: String
    - bitcoinAmt: double
    - miners: ArrayList<BitcoinMiner>
    - energyRates: double[]
    + MiningCalculator(filename: String, bitcoinAmt: double)
    + getMiners(): ArrayList<BitcoinMiner>
    + extractMinerData(): void
    - extractEnergyRatesData(energyRatesFilename: String): void
    + calculateIndividualMiningTime(): double[]
    + calculateCollectiveMiningTime(): double
    + calculateHourlyEfficiency(energyRatesFilename: String): void
}

APIAccessor --> BitcoinPrice: uses  
MiningCalculator --> BitcoinMiner: uses

@enduml