It has Bead listed as a "marker interface" what does that mean? if its covered later let me know I'll delete the ?
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3 August 2020, 04:20
marker interface is an interface that has nothing at all except a name. it is used to mark classes i.e. stick a label to them. they could be easily distinguished then or used in polymorphism concept as well.
3 August 2020, 23:27
Thank you! i was just curious when I saw that.