In 2006, Java 5.0 was released with StringBuilder, a more light weight and sane version of StringBuffer. The Javadoc for Java 5.0 for ... ... <看更多>

There's a layer of indirection, as is usually the case. The actual character data is stored in a char[] object (typically). ... <看更多>

* only on the string buffer performing the operation, not on the source. * Note that while {@code StringBuffer} is designed to be safe to use. ... <看更多>