Here's an example of valuable information being available in the documentation - but not easily so (as in not easy to find)... For instance, a Google search for "[C" didn't throw up anything of relevance.
Backdrop to the search for this information was a JVM Heap memory allocation issue that prompted me to do a Histogram of the Heap using JMAP. It showed that 2.2GB of type "[C" were allocated. My guess was array of chars and it turns out that I was right...
http://docs.oracle.com/javase/ 7/docs/api/java/lang/Class. html#getName()
"If this class object represents a class of arrays, then the internal form of the name consists of the name of the element type preceded by one or more '[' characters representing the depth of the array nesting. The encoding of element type names is as follows:
"
Backdrop to the search for this information was a JVM Heap memory allocation issue that prompted me to do a Histogram of the Heap using JMAP. It showed that 2.2GB of type "[C" were allocated. My guess was array of chars and it turns out that I was right...
http://docs.oracle.com/javase/
"If this class object represents a class of arrays, then the internal form of the name consists of the name of the element type preceded by one or more '[' characters representing the depth of the array nesting. The encoding of element type names is as follows:
Element Type | Encoding | |
---|---|---|
boolean | Z | |
byte | B | |
char | C | |
class or interface | Lclassname; | |
double | D | |
float | F | |
int | I | |
long | J | |
short | S |
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