Hello everyone
Can you explain more about string and StringBuffer and StringBuilder?
Thank you in advance
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Hello everyone
Can you explain more about string and StringBuffer and StringBuilder?
Thank you in advance
shirin (March 4th, 2014)
In few words: strings (java.lang.String) are "immutable", once you have created a String object you can't change its state. java.lang.StringBuffer/StringBuilder are "mutable" buffers that can be used to build strings appending, inserting, deleting characters, etc..
StringBuffer and StringBuilder have the same exact API (same methods, same parameters, changing just only some return types of StringBuffer vs StringBuilder). However, StringBuffer is "synchronized" and thread-safe. Since this synchronization is not always necessary, since Java 5 there is StringBuilder that is not synchronized and not thread-safe.
Andrea, www.andbin.net — SCJP 5 (91%) – SCWCD 5 (94%)
Useful links for Java beginners – My new project Java Examples on Google Code
ChristopherLowe (March 4th, 2014), shirin (March 4th, 2014)