Enums are used when we know all possible values at compile-time , such as choices on a menu, rounding modes, command-line flags, etc. It is not necessary that the set of constants in an enum type stay fixed for all time. In Java (from 1.5), enums are represented using enum data type.
Read moreWhat does enum valueOf return?
valueOf. Returns the enum constant of the specified enum type with the specified name . The name must match exactly an identifier used to declare an enum constant in this type.
Read moreCan enum be used in switch case in C?
1) The expression used in switch must be integral type ( int, char and enum) . Any other type of expression is not allowed.
Read moreCan enum throw exception?
You can throw unchecked exceptions from an enum constructor . there’s something icky about getting an exception thrown merely by accessing an enum value.
Read moreHow do you create an enum value in Java?
Can we create an enum with custom values in java?
Read moreWhich expression is not allowed in switch-case?
The value of the expressions in a switch-case statement must be an ordinal type i.e. integer, char, short, long, etc. Float and double are not allowed.
Read moreCan switch-case contains string?
It is recommended to use String values in a switch statement if the data you are dealing with is also Strings . The expression in the switch cases must not be null else, a NullPointerException is thrown (Run-time). Comparison of Strings in switch statement is case sensitive.
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