Java Data Type Tutorial - Java StringBuilder.charAt(int index)

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Syntax

StringBuilder.charAt(int index) has the following syntax.

public char charAt(int index)

Example

In the following code shows how to use StringBuilder.charAt(int index) method.

//w w w .ja v a2  s .  c o m
public class Main {
  public static void main(String args[]) {
    StringBuilder buffer = new StringBuilder("hello java2s.com");

    System.out.println(buffer.charAt(0));
    System.out.println(buffer.charAt(4));


  }
}

The code above generates the following result.

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