String and String buffer

hii am goutam can you tell me the diffrence betwen string and string buffer.
[90 byte] By [Kolluria] at [2007-11-27 4:24:47]
# 1
String is immutable and StringBuffer is not.If you have something likeString s ="hi";s.append(" there");A new string will be created in memory with "hi there"Where as in case of StringBuffer same old memory is stored with new value "hi
mkunasek123a at 2007-7-12 9:32:41 > top of Java-index,Java Essentials,New To Java...
# 2
You're better off doing some research of your own, rather than just dumping a load of interview questions on the forum. You'll get more complete answers, and nobody will get fed up with you!
georgemca at 2007-7-12 9:32:41 > top of Java-index,Java Essentials,New To Java...
# 3
http://www.science.uva.nl/ict/ossdocs/java/tutorial/java/strings/index.html http://www.javaworld.com/javaworld/jw-03-2000/jw-0324-javaperf.html http://java.sun.com/j2se/1.4.2/docs/api/java/lang/StringBuffer.html
haishaia at 2007-7-12 9:32:41 > top of Java-index,Java Essentials,New To Java...