public enum Scheme extends Enum<Scheme>
public static final Scheme HTTP
public static final Scheme HTTPS
public static final Scheme WEBSOCKET
public static Scheme[] values()
for (Scheme c : Scheme.values()) System.out.println(c);
public static Scheme 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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