Sealed Class

contents
𝙰𝚋𝚘𝚞𝚝 𝚜𝚎𝚊𝚕𝚎𝚍 𝚌𝚕𝚊𝚜𝚜 𝚒𝚗 𝚊𝚗𝚍𝚛𝚘𝚒𝚍
𝚂𝚞𝚐𝚐𝚎𝚜𝚝𝚒𝚗𝚐 𝚊𝚕𝚕 𝚙𝚘𝚜𝚜𝚒𝚋𝚕𝚎 𝚘𝚙𝚝𝚒𝚘𝚗𝚜 𝚘𝚏 𝚜𝚝𝚊𝚝𝚎 𝚞𝚜𝚒𝚗𝚐 𝚜𝚎𝚊𝚕𝚎𝚍 𝚌𝚕𝚊𝚜𝚜
𝙰𝚌𝚌𝚎𝚜𝚜𝚒𝚗𝚐 𝚊 𝚟𝚊𝚛𝚒𝚊𝚋𝚕𝚎 𝚘𝚏 𝚊 𝚜𝚎𝚊𝚕𝚎𝚍 𝚌𝚕𝚊𝚜𝚜
𝙰𝚌𝚌𝚎𝚜𝚜𝚒𝚗𝚐 𝚊 𝚏𝚞𝚗𝚌𝚝𝚒𝚘𝚗 𝚒𝚗 𝚜𝚎𝚊𝚕𝚎𝚍 𝚌𝚕𝚊𝚜𝚜
𝚁𝚘𝚕𝚎 𝚘𝚏 𝚊𝚋𝚜𝚝𝚛𝚊𝚌𝚝 𝚟𝚊𝚛𝚒𝚊𝚋𝚕𝚎 𝚒𝚗 𝚜𝚎𝚊𝚕𝚎𝚍 𝚌𝚕𝚊𝚜𝚜
𝙴𝚗𝚞𝚖 𝚌𝚘𝚖𝚙𝚊𝚛𝚎𝚍 𝚠𝚒𝚝𝚑 𝚜𝚎𝚊𝚕𝚎𝚍 𝚌𝚕𝚊𝚜𝚜𝚎𝚜
𝚁𝚎𝚙𝚕𝚒𝚌𝚊𝚝𝚒𝚗𝚐 𝚝𝚑𝚎 𝚎𝚗𝚞𝚖 𝚏𝚞𝚗𝚌𝚝𝚒𝚘𝚗𝚊𝚕𝚒𝚝𝚢 𝚞𝚜𝚒𝚗𝚐 𝚜𝚎𝚊𝚕𝚎𝚍 𝚌𝚕𝚊𝚜𝚜𝚎𝚜
𝙳𝚒𝚏𝚏𝚎𝚛𝚎𝚗𝚌𝚎 𝚋𝚎𝚝𝚠𝚎𝚎𝚗 𝚂𝚎𝚊𝚕𝚎𝚍 𝚌𝚕𝚊𝚜𝚜 𝚊𝚗𝚍 𝚂𝚎𝚊𝚕𝚎𝚍 𝙸𝚗𝚝𝚎𝚛𝚏𝚊𝚌𝚎

Summarizing the definition

• Sealed classes are a collection of instances while the enum is the collection of values.
• Usage of when expression with enum.
• Limiting the hierarchy of classes.
• Can create multiple instances of sub-types.
• sealed class is abstract by default