public static final Mail.Type HTML
public static final Mail.Type TEXT
public static Mail.Type[] values()
for (Mail.Type c : Mail.Type.values()) System.out.println(c);
public static Mail.Type valueOf(java.lang.String name)
name - 要返回的枚举常量的名称。java.lang.IllegalArgumentException - 如果该枚举类型没有带有指定名称的常量java.lang.NullPointerException - 如果参数为空值