# StringBuilder constructor

StringBuilder()

Creates an empty StringBuilder.

A mutable sequence of characters similar to Java's StringBuilder.

This class provides an efficient way to build strings by appending characters, strings, and other data types.

Example usage:

    StringBuilder sb = StringBuilder();
    sb.append("Hello");
    sb.append(" ");
    sb.append("World");
    sb.append("!");

    print(sb.toString()); // "Hello World!"
    print(sb.length()); // 12

## Implementation

    StringBuilder() : _buffer = StringBuffer();