public enum Joint extends Enum<Joint>
public static Joint[] values()
for (Joint c : Joint.values()) System.out.println(c);
public static Joint 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 getJoint()
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