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Enum (Java Platform SE 8 ) - Oracle Returns the ordinal of this enumeration constant (its position in its enum declaration, where the initial constant is assigned an ordinal of zero) Most programmers will have no use for this method It is designed for use by sophisticated enum-based data structures, such as EnumSet and EnumMap
Convert from enum ordinal to enum type - codemia. io Here’s a table summarizing when and how to safely convert an enum ordinal to an enum type in Java: Cache the enum values if using values() frequently Always check ordinal validity to prevent runtime exceptions Consider caching and validating ahead of critical loops or operations
Understanding Java Enum Ordinal - javaspring. net The Enum class provides a method called ordinal() which returns the position of an enum constant in its enum declaration The first constant has an ordinal of 0, the second has an ordinal of 1, and so on
Can I specify ordinal for enum in Java? - Stack Overflow You can control the ordinal by changing the order of the enum, but you cannot set it explicitly like in C++ One workaround is to provide an extra method in your enum for the number you want: