class Box<T> {

  T value; // T is a placeholder for any data type

​

  void set(T value) {

    this.value = value;

  }

​

  T get() {

    return value;

  }

}

​

public class Main {

  public static void main(String[] args) {

    // Create a Box to hold a String

    Box<String> stringBox = new Box<>();

    stringBox.set("Hello");

    System.out.println("Value: " + stringBox.get());

​

    // Create a Box to hold an Integer

    Box<Integer> intBox = new Box<>();

    intBox.set(50);

    System.out.println("Value: " + intBox.get());

  }

}

​