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Java

Posted by Jiten Mistry
Jiten Mistry
4,698 Points

What is the use of enum in java? and how can it be used?

Im trying to understand how to use enum in java and finding it diffcult too, I'm not sure if it is on treehouse, could someone please help me understand it and how to use it,

Thank you

1 Answer

Michael Hess
Michael Hess
24,512 Points
Michael Hess
Michael Hess
24,512 Points

Hi Jiten,

Enumerated types are predefined constants that don't change. Some examples include: days of the week, directions on a compass, or colors in a rainbow.

The following example is an enumerated type containing days of the week:

public enum Day {
    SUNDAY, MONDAY, TUESDAY, WEDNESDAY,
    THURSDAY, FRIDAY, SATURDAY 
}

The following example is an enum containing directions on a compass:

public enum Compass {
    NORTH, SOUTH, EAST, WEST
}

The following example is an enumerated type containing colors of a rainbow:

public enum Rainbow {
    RED, ORANGE, YELLOW, GREEN, BLUE, INDIGO, VIOLET
}

Hope this helps :)

Jiten Mistry
Jiten Mistry
4,698 Points

Hi Michael, Thank you, but how will can i use them ? and how are they used?

thank you