Java StringBuffer and StringBuilder class
When the character string needs to be modified when using StringBuffer and StringBuilder class
The difference between StringBuffer and StringBuilder class
- StringBuffer: speed, not thread safe
- StringBuilder: slow, thread-safe
StringBuffer methods:
1, append (): appending the string
2, reverse (): Reverse
3, delete (start, end): Delete string
4, insert (index, string): insertion string
5, replace (start, end, str): replacement string
6, capacity (): returns the current capacity
7, getChars (): string interception
Like the rest of the String methods