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classFlower{StringwhatsYourName(){return"I have many names and types.";}}classJasmineextendsFlower{@OverrideStringwhatsYourName(){return"Jasmine";}}classLilyextendsFlower{@OverrideStringwhatsYourName(){return"Lily";}}classLotusextendsFlower{@OverrideStringwhatsYourName(){return"Lotus";}}classRegion{FloweryourNationalFlower(){returnnewFlower();}}classWestBengalextendsRegion{@OverrideJasmineyourNationalFlower(){returnnewJasmine();}}classKarnatakaextendsRegion{@OverrideLotusyourNationalFlower(){returnnewLotus();}}classAndhraPradeshextendsRegion{@OverrideLilyyourNationalFlower(){returnnewLily();}}
8/24/18 Edit: The HackerRank problem is now flawed and always fails to compile. Hopefully they fix it soon.
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Covariant Return Types
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Java solution - passes 100% of test cases
From my HackerRank solutions.
8/24/18 Edit: The HackerRank problem is now flawed and always fails to compile. Hopefully they fix it soon.