Question: Consider the following code: public void setFurnace(OnOffAble frn){ furnace = frn; } Please describe (100 words MAX), why using a type like OnOffAble (not an

Consider the following code:

public void setFurnace(OnOffAble frn){

furnace = frn;

}

Please describe (100 words MAX), why using a type like "OnOffAble" (not an implementation of furnace such as "SaharaFurnaceHL42") here satisfies the principle of "Program to an Interface, not an Implementation".

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