Java, the commonly used type of string operations are String, StringBuffer, StringBuilder
- String: final modification of the method of the String class are return new String. That is, any changes to the String object does not affect the original object, generate a new object will be to modify the operation of the string.
- StringBuffer: a method of operating a string are added synchronized, thread-safe.
- StringBuilder: not thread-safe, need to be modified to manipulate strings in vivo, may be new StringBuilder object, call the object StringBuilder append (), replace (), delete () methods modify the string.
- Java self-study guide
- Java interview questions summary PC client browser [Click here]
- Java mapping knowledge
- Java applets interview questions summary view, sweep the two-dimensional code
All resources resources are summarized in the public No.
