Getters and Setters along with Private Instance variable

21_getters_setters.dart

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+
+// Objectives
+// 1. Default Getter and Setter
+// 2. Custom Getter and Setter
+// 3. Private Instance Variable
+
+void main() {
+
+  var student = Student();
+  student.name = "Peter";     // Calling default Setter to set value
+  print(student.name);        // Calling default Getter to get value
+
+  student.percentage = 438.0;   // Calling Custom Setter to set value
+  print(student.percentage);    // Calling Custom Getter to get value
+}
+
+class Student {
+
+  String name;        // Instance Variable with default Getter and Setter
+
+  double _percent;    // Private Instance Variable for its own library
+
+  // Instance variable with Custom Setter
+  void set percentage(double marksSecured) => _percent = (marksSecured / 500) * 100;
+  // Instance variable with Custom Getter
+  double get percentage => _percent;
+}