Way of storing crimes in CrimeLab

Android Programming (3rd Edition) 13. The Toolbar

Trettende April 7, 2019, 11:12am 1

After one of challenges I store crimes in LinkedHashMap and after adding new crime, pressing back button list of crimes not reloading, but when I pressed up button everything is ok. If I store crimes in ArrayList - ok too. Why?

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Way of storing crimes in CrimeLab

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