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06.07.2025 01:26 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
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Java - Java language - Strings - StringBuilder Capacity
Aralık 8, 2015 by

In this article, we will see how to use StringBuilder capacity method in Java.

The StringBuilder in Java provides a modifiable sequence of char acters. The String Class in Java creates and immutable sequence of char acters, the StringBuilder class provides an alternate to String Class, as it creates a mutable sequence of char acters.

The Java StringBuilder class is same to StringBuffer class, except it is non-synchronized.

Capacity method allows us to return how much char acter in our string .

Lets look to our code. 




StringBuilder x  = new StringBuilder("andromeda");

x.capacity();


Lets see it in an example.

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In above example, we created a StringBuilder object. We used its capacity method to return size of our string .



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