Answers for "java int value of enum"


java enum from int

//If performance is not an issue (code is only called a few times)
//The reason this is expensive is that .values() returns an array,
//which is a copy of the original because the array might be modified.

//If performance is an issue (code is run hundreds of times)
public enum MyEnum {

    public static MyEnum fromInteger(int x) {
        switch(x) {
        case 0:
            return EnumValue1;
        case 1:
            return EnumValue2;
        return null;
Posted by: Guest on January-05-2021

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