What is the need for Strategy Pattern
in C# (C Sharp)?

Here is a code sample for it:

class contextClass {
private strategyClass stratObj;
public contextClass(strategyClass obj) {
stratObj = obj;
}
public void setContext() {
stratObj.triggerAlgorithm();
}
}
abstract class strategyClass {
public abstract void triggerAlgorithm();
}

The strategyClass can now be inherited by different classes and the context class can trigger any of these derived classes by using the following statements:
contextClass conObj = new contextClass(new derivedClass1());
conObj.setContext();

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