ts Strategy pattern

The solution for “ts Strategy pattern” can be found here. The following code will assist you in solving the problem.

// The Strategy pattern is a design pattern lets you define a family of algorithms,
// encapsulate each one, and make them interchangeable.

// Implementing the Strategy pattern in Typescript is very easy and you can
// start with this Strategy class

class Strategy {
public LastElement(data: []) {
return data[data.length – 1];

const strategy = new Strategy();
const data = [1, 2, 3, 4, 5];

let last = strategy.LastElement(data);

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