diff --git a/stock_price.java b/stock_price.java
deleted file mode 100644
index 286f34f2..00000000
--- a/stock_price.java
+++ /dev/null
@@ -1,82 +0,0 @@
-import java.util.*;
-import java.util.stream.Collectors;
-
-class Stock {
-    private String symbol;
-    private double price;
-
-    public Stock(String symbol, double price) {
-        this.symbol = symbol;
-        this.price = price;
-    }
-
-    public String getSymbol() {
-        return symbol;
-    }
-
-    public double getPrice() {
-        return price;
-    }
-
-    public void setPrice(double price) {
-        this.price = price;
-    }
-}
-
-class Portfolio {
-    private Map<String, Integer> stocks = new HashMap<>();
-
-    public void buyStock(Stock stock, int quantity) {
-        stocks.put(stock.getSymbol(), stocks.getOrDefault(stock.getSymbol(), 0) + quantity);
-    }
-
-    public void sellStock(Stock stock, int quantity) {
-        int currentQuantity = stocks.getOrDefault(stock.getSymbol(), 0);
-        if (currentQuantity >= quantity) {
-            stocks.put(stock.getSymbol(), currentQuantity - quantity);
-        } else {
-            System.out.println("Not enough shares to sell.");
-        }
-    }
-
-    public double calculatePortfolioValue(List<Stock> allStocks) {
-        return stocks.entrySet().stream()
-            .mapToDouble(entry -> {
-                Stock stock = allStocks.stream()
-                    .filter(s -> s.getSymbol().equals(entry.getKey()))
-                    .findFirst()
-                    .orElse(null);
-
-                if (stock != null) {
-                    return stock.getPrice() * entry.getValue();
-                } else {
-                    return 0;
-                }
-            })
-            .sum();
-    }
-}
-
-public class StockTradingSystem {
-    public static void main(String[] args) {
-        List<Stock> allStocks = new ArrayList<>();
-        allStocks.add(new Stock("AAPL", 150.0));
-        allStocks.add(new Stock("GOOGL", 2700.0));
-        allStocks.add(new Stock("TSLA", 750.0));
-
-        Portfolio portfolio = new Portfolio();
-        portfolio.buyStock(allStocks.get(0), 10);
-        portfolio.buyStock(allStocks.get(1), 5);
-
-        // Simulate stock price updates
-        Random random = new Random();
-        for (Stock stock : allStocks) {
-            stock.setPrice(stock.getPrice() + (random.nextDouble() - 0.5) * 10);
-        }
-
-        System.out.println("Portfolio Value: $" + portfolio.calculatePortfolioValue(allStocks));
-
-        // Additional analysis or visualization can be done here
-        // For instance, you can use external libraries for charting and data visualization
-    }
-}