Added hasPassed() in Student Class

src/main/java/org/example/Student.java

@@ -142,4 +142,9 @@ public class Student {
 
         return totalCredits > 0 ? totalWeightedGrades / totalCredits : 0.0;
     }
+
+    public boolean hasPassed() {
+        double averageGrade = calculateAverageGrade();
+        return averageGrade >= 10;
+    }
 }