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java.util.ConcurrentModificationException: null
java.util.HashMap$HashIterator(HashMap.java:806)
com.cimba.gsr.fragments.SessionsFragment(SessionsFragment.java:233)
com.cimba.gsr.fragments.SessionsFragment$4(SessionsFragment.java:201)
Sometime in log output after a class name there is a Dollor symbol ($) in the message what does that mean? I thought it's the method name or the variable name in the class that caused the exception but in this case it doesn't make sense (SessionsFragment$4 it can't be the name of a method or variable). so what is it ?
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In many contexts, a figure like $12.34 isn't a quantity ("twelve point three four dollars") but rather a count ("one thousand, two hundred and thirty-four pennies"). Prefixing it with a dollar sign makes it clear that its meaning differs from other decimal-format numbers.
The dollar sign is placed to the right of the dollar figure. Use a non-breaking space after the dollar figure, and between the dollar sign and the country code: 25,99 $ US.
The dollar sign, also known as peso sign, is a symbol consisting of a capital "S" crossed with one or two vertical strokes ($ or. ), used to indicate the unit of various currencies around the world, including most currencies denominated "peso" and "dollar". The explicitly double-barred.
$ – dollar identifier The dollar ($) sign is a JavaScript identifier, which simply means that it identifies an object in the same way that a name or variable does. Variables, functions, properties, events, and objects can be identified by the $ sign.
The $ is a separator that indicates that there is a nested class HashIterator inside the HashMap class, and that there is an anonymous inner class (the fourth one, it looks like) inside the SessionsFragment class.
This site explains the $ separator.
Filename: StackTrace.java Line number: 267 Package name: boo.hoo Full class name: boo.hoo.StackTrace$FirstNested$SecondNested Simple class name: StackTrace$FirstNested$SecondNested Unmunged class name: StackTrace.FirstNested.SecondNested Direct class name: SecondNested Method name: <init> Native method?: false toString(): boo.hoo.StackTrace$FirstNested$SecondNested.<init>(StackTrace.java:267)The nested classes are distinguished from the higher-level nested classes and from the top-level class by using the dollar sign character ($). So, technically, the "simple" name of the second nested class is StackTrace$FirstNested$SecondNested.
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