枚举定义:

public enum SizeEnum {
     SMALL,
     BIG,
     BIGEST
};
public enum SizeStringEnum {

    SMALL(""),
    BIG(""),
    BIGEST("巨大");

    private String strSizeString;

    public String toString() {
        return strSizeString;
    }
     private SizeStringEnum(String str) {
        this.strSizeString = str;

    }

}

常用方法:

1、values():

   获取当前枚举的所有对象属性:

 如:

//1、
        SizeStringEnum sizeStringEnum=SizeStringEnum.BIG;
        for(SizeStringEnum size: sizeStringEnum.values())
        {
             System.out.println(size);
        }

//2、
           for(SizeStringEnum size:     SizeStringEnum.values())
        {
             System.out.println(size);
        }

2、Enum.valueOf

  通过枚举值寻找枚举对象

        sizeStringEnum=Enum.valueOf(SizeStringEnum.class, "BIG");

 

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