public enum Level extends Enum<Level>
public static final Level NORMAL
public static final Level DANGEROUS
public static final Level FATAL
public static Level[] values()
for (Level c : Level.values()) System.out.println(c);
public static Level 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Copyright © 2018. All rights reserved.