arbitrage bellman ford att 2 java

import com.xrpl.xrpl.XRPL;
import com.xrpl.xrpl.model.AccountInfo;
import com.xrpl.xrpl.model.Currency;
import com.xrpl.xrpl.model.Price;
import com.xrpl.xrpl.model.Transaction;

import java.util.List;

public class Main {
  public static void main(String[] args) {
    // Create an XRPL instance with the default test net URL.
    XRPL xrpl = XRPL.newBuilder().build();

    // Get the list of supported currencies.
    List<Currency> currencies = xrpl.getCurrencies();

    // Initialize a Bellman-Ford graph with the number of vertices equal to the number of currencies.
    int numCurrencies = currencies.size();
    int[][] graph = new int[numCurrencies][numCurrencies];

    // Initialize the graph with the prices of each currency relative to XRP.
    for (int i = 0; i < numCurrencies; i++) {
      Currency currency = currencies.get(i);
      String currencyCode = currency.getCode();

      // Get the price of the currency relative to XRP.
      Price price = xrpl.getPrice(currencyCode, "XRP");
      double priceInXRP = price.getPrice();

      // Add the price to the graph as a weighted edge.
      for (int j = 0; j < numCurrencies; j++) {
        graph[i][j] = (int) (priceInXRP * 100);
      }
    }

    // Use the Bellman-Ford algorithm to detect negative weight cycles in the graph.
    boolean hasNegativeCycle = bellmanFord(graph, numCurrencies);
    if (hasNegativeCycle) {
      System.out.println("The graph contains a negative weight cycle.");
    } else {
      System.out.println("The graph does not contain a negative weight cycle.");
    }

    // Get the secret key and address of the account you want to sign a transaction for.
String secretKey = "your secret key here";
String address = "your address here";

// Create a new transaction.
Transaction transaction = new Transaction.Builder()
    .setAccount(address)
    .build();

// Sign the transaction with the secret key.
transaction = xrpl.sign(transaction, secretKey);