Adding null and blank checks to Stock

IDATT2003-gruppe06 · Mar 6, 2026 · eea0cf2 · eea0cf2
1 parent 4e90cef
commit eea0cf2
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/src/main/java/millions/Stock.java b/src/main/java/millions/Stock.java
@@ -13,12 +13,18 @@ public Stock(String symbol, String company, List<BigDecimal> prices) {
     this.symbol = symbol;
     this.company = company;
     this.prices = new ArrayList<>(prices);
+
+    if (symbol == null || symbol.isBlank()) {
+      throw new IllegalArgumentException("Symbol cannot be null or blank");
+    }
+
+    if (company == null || company.isBlank()) {
+      throw new IllegalArgumentException("Company cannot be null or blank");
+    }
   }
 
   public Stock(String symbol, String company, BigDecimal initialPrice) {
-    this.symbol = symbol;
-    this.company = company;
-    this.prices = new ArrayList<>(List.of(initialPrice));
+    this(symbol, company, new ArrayList<>(List.of(initialPrice)));
   }
 
   public String getSymbol() {