Package java.lang
Class StringBuffer
char charAt(int index)
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Description:
Returns the character at the specified index, beginning with index 0.
Note that characters in the Java Virtual Machine are only represented with one byte. Only the lowest byte of a Unicode symbol will be stored in a charater variable.
Example
char c = 'μ'; // c will have the value 0xBC although the Unicode symbol is 0x3BC.