Enum is a public and static class . And only static and public variables are can call inside the main method.
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An enum can, just like a class , have attributes and methods . The only difference is that enum constants are public , static and final (unchangeable – cannot be overridden). An enum cannot be used to create objects, and it cannot extend other classes (but it can implement interfaces).
Read moreHow do I create an enum variable?
If you just use #define to define constants used as values for some variable the debugger will show you the numer. With enum it can show you the names. And if you need a set of possible values (constants) for a single variable you can define it the way you showed.23 Mar 2010
Read moreHow many values can an enum have?
A string object that can have only one value, chosen from the list of values ‘value1’, ‘value2’, …, NULL or the special ” error value. In theory, an ENUM column can have a maximum of 65,535 distinct values ; in practice, the real maximum depends on many factors. ENUM values are represented internally as integers.
Read moreHow do you give an enum a value?
You cannot create an object of an enum explicitly so, you need to add a parameterized constructor to initialize the value(s) . The initialization should be done only once. Therefore, the constructor must be declared private or default. To returns the values of the constants using an instance method(getter).5 Tem 2019
Read moreCan enum have multiple values?
Learn to create Java enum where each enum constant may contain multiple values . We may use any of the values of the enum constant in our application code, and we should be able to get the enum constant from any of the values assigned to it.
Read moreCan enum have variables?
Methods and variables in an enumeration Enumerations are similar to classes and, you can have variables, methods, and constructors within them .
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