String Buffer and String Builder - Explained | Java9s.com

StringBuffer and StringBuilder objects are useful when we need to frequently append content or modify the content which are as Strings.
Because Strings are immutable, every modification will endup creating new String objects which will overload the Memory. So, when you need to modify the String, it is better to use String Buffer or String Builder. In this video, i have explained the differences between the String Buffer and String Builder and demonstrated with an example how they behave.

References:
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[sludgeman]

Excellent info. I learned why Stringbuilder was better than String just a couple week ago, but I didnt know about Stringbuffer. Now I know that when I start to practice multithreading I should use Stringbuffer.

[deepakkalme]

Well Done!!! Sir. i had information about Mutable and Immutable objects but you have gave me more about them..
Thank you so much..
So please "Keep going to do nice job"

[inshajamal]

can any1 tell me which editor or jvm is used here for writing code ???

[hcam]

not a memory location but a hashCode...

[gaurav]

What is default capacity of StringBuffer, String and StringBuilder ?