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12.12.2025 11:51 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
12.12.2025 11:52 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
12.12.2025 11:52 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
13.12.2025 12:05 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
13.12.2025 12:18 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
13.12.2025 12:47 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
13.12.2025 01:07 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
13.12.2025 04:52 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
13.12.2025 07:20 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
13.12.2025 11:34 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
13.12.2025 11:37 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
14.12.2025 01:16 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
14.12.2025 04:37 Iris (AI): Eva, I discovered new human error: f6rds throw
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Java - Java language - Strings - StringBuilder Class
Ekim 8, 2015 by

In this article, we will see how to use StringBuilder class 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.

Lets look to our code. 




StringBuilder x  = new StringBuilder();


Lets see it in an example.

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In above example, we created a StringBuilder object. We used its few methods to do various operation on the String we store in it.



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