Added Checkstyle to Stock

src/main/java/Model/Stock.java

@@ -1,77 +1,92 @@
 package Model;
+
 import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * STock class.
+ */
 public class Stock {
 
-    private final String symbol;
-    private final String company;
-    private final List<BigDecimal> prices;
-
-    public Stock(String symbol, String company, BigDecimal salesPrice) {
-        if (symbol == null || symbol.isBlank()) {
-            throw new IllegalArgumentException("Symbol cannot be null or blank");
-        }
-        if (company == null || company.isBlank()) {
-            throw new IllegalArgumentException("Company name cannot be null or blank");
-        }
-        if (salesPrice == null) {
-            throw new IllegalArgumentException("Initial sales price cannot be null");
-        }
-        if (salesPrice.compareTo(BigDecimal.ZERO) < 0) {
-            throw new IllegalArgumentException("Initial sales price cannot be negative");
-        }
+  private final String symbol;
+  private final String company;
+  private final List<BigDecimal> prices;
 
-        this.symbol = symbol;
-        this.company = company;
-        this.prices = new ArrayList<>();
-        this.prices.add(salesPrice);
+  /**
+   * Stock method that includes symbol of the stock, company and the salesprice.
+   */
+  public Stock(String symbol, String company, BigDecimal salesPrice) {
+    if (symbol == null || symbol.isBlank()) {
+      throw new IllegalArgumentException("Symbol cannot be null or blank");
     }
-
-    public String getSymbol() {
-        return symbol;
+    if (company == null || company.isBlank()) {
+      throw new IllegalArgumentException("Company name cannot be null or blank");
     }
-
-    public String getCompany() {
-        return company;
+    if (salesPrice == null) {
+      throw new IllegalArgumentException("Initial sales price cannot be null");
     }
-
-    public BigDecimal getSalesPrice() {
-        return prices.get(prices.size() - 1);
+    if (salesPrice.compareTo(BigDecimal.ZERO) < 0) {
+      throw new IllegalArgumentException("Initial sales price cannot be negative");
     }
+
+    this.symbol = symbol;
+    this.company = company;
+    this.prices = new ArrayList<>();
+    this.prices.add(salesPrice);
+  }
+
+  public String getSymbol() {
+    return symbol;
+  }
+
+  public String getCompany() {
+    return company;
+  }
+
+  public BigDecimal getSalesPrice() {
+    return prices.get(prices.size() - 1);
+  }
 
-    public void addNewSalesPrice(BigDecimal price) {
-        if (price == null) {
-            throw new IllegalArgumentException("Price cannot be null");
-        }
-        if (price.compareTo(BigDecimal.ZERO) < 0) {
-            throw new IllegalArgumentException("Price cannot be negative");
-        }
-        prices.add(price);
+  /**
+   * Method that makes new salesprice.
+   */
+  public void addNewSalesPrice(BigDecimal price) {
+    if (price == null) {
+      throw new IllegalArgumentException("Price cannot be null");
     }
-
-    public List<BigDecimal> getHistoricalPrices() {
-        return new ArrayList<>(prices); // returnerer en kopi for å beskytte selve listen
+    if (price.compareTo(BigDecimal.ZERO) < 0) {
+      throw new IllegalArgumentException("Price cannot be negative");
     }
+    prices.add(price);
+  }
 
-    public BigDecimal getHighestPrice() {
-        return prices.stream()
-            .reduce(prices.get(0), BigDecimal::max);
-    }
+  public List<BigDecimal> getHistoricalPrices() {
+    return new ArrayList<>(prices); // returnerer en kopi for å beskytte selve listen
+  }
 
-    public BigDecimal getLowestPrice() {
-        return prices.stream()
-            .reduce(prices.get(0), BigDecimal::min);
-    }
+  public BigDecimal getHighestPrice() {
+    return prices.stream()
+    .reduce(prices.get(0), BigDecimal::max);
+  }
 
-    public BigDecimal getLatestPriceChange() {
-        if (prices.size() < 2) {
-            return BigDecimal.ZERO;
-        }
+  public BigDecimal getLowestPrice() {
+    return prices.stream()
+    .reduce(prices.get(0), BigDecimal::min);
+  }
 
-        BigDecimal latest = prices.get(prices.size() - 1);
-        BigDecimal previous = prices.get(prices.size() - 2);
-        return latest.subtract(previous);
+  /**
+   * Method that gets the latest price change.
+   *
+   * @return returns the price change
+   */
+  public BigDecimal getLatestPriceChange() {
+    if (prices.size() < 2) {
+      return BigDecimal.ZERO;
     }
+
+    BigDecimal latest = prices.get(prices.size() - 1);
+    BigDecimal previous = prices.get(prices.size() - 2);
+    return latest.subtract(previous);
+  }
 }