Adding constructors in Course class

src/main/java/org/example/Course.java

@@ -7,4 +7,13 @@ public class Course {
     private String courseCode;
 
     private int courseCredit;
+
+    public Course() {
+    }
+
+    public Course(String courseName, String courseCode, int courseCredit) {
+        this.courseName = courseName;
+        this.courseCode = courseCode;
+        this.courseCredit = courseCredit;
+    }
 }