public enum FileExtensionEnum extends Enum<FileExtensionEnum>
public static final FileExtensionEnum DOCX
public static final FileExtensionEnum PDF
public static final FileExtensionEnum XLSX
public static FileExtensionEnum[] values()
for (FileExtensionEnum c : FileExtensionEnum.values()) System.out.println(c);
public static FileExtensionEnum valueOf(String name)
name - 要返回的枚举常量的名称。IllegalArgumentException - 如果该枚举类型没有带有指定名称的常量NullPointerException - 如果参数为空值public String getValue()
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