DART

generic class in dart

class Stack<T> {
  List<T> _stack = [];

  void push(T item) => _stack.add(item);
  T pop() => _stack.removeLast();
}

// Example
final stack = Stack<String>();
stack.push("A string.");  

generic class in dart

class Person {
	String name;
    int age;
    List<String> likes = ["Coding", "Dart", "Comp Sci"];
    String _password = "Password123"; // This is a private variable, using an '_' at the start of a variable name makes it private.
    
    Person(String name, int age, List<String> likes) { // Constructor
    	this.name = name;
        this.age = age;
        this.likes = likes;
    }
    
    void SetPassword(String password) { // Setter
    	this._password = password;
    }
    
    String GetPassword() { // Getter
    	return _password;
	}
}