public static final Protocol http
public static final Protocol tcp
public static final Protocol https
public static final Protocol tls
public static final Protocol sni
public static final Protocol udp
public static Protocol[] values()
for (Protocol c : Protocol.values()) System.out.println(c);
public static Protocol 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