public enum Level extends Enum<Level>
public static final Level ALL
public static final Level TRACE
public static final Level DEBUG
public static final Level INFO
public static final Level WARN
public static final Level ERROR
public static final Level OFF
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 © 2011–2018 The Apache Software Foundation. All rights reserved.