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

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Syntax

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

public int codePointBefore(int index)

Example

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

public class Main {
// w  w  w  .j  av a  2 s.  c o  m
  public static void main(String[] arg) {

    StringBuilder buffer = new StringBuilder("from java2s.com");
    
    
    System.out.println(buffer.codePointBefore(2));
  }

}

The code above generates the following result.

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