Java StringBuilder codePointAt Method Example

Java StringBuilder codePointAt(int index) method returns the character (Unicode code point) at the specified index. The index refers to char values (Unicode code units) and ranges from 0 to length()- 1.

This method throws the IndexOutOfBoundsException - if the index argument is negative or not less than the length of this string.

Java StringBuilder codePointAt Method Example

public class CodePointAtExample {
    public static void main(String[] args) {
        StringBuilder builder = new StringBuilder("javaguides");
        int unicode = builder.codePointAt(0);
        System.out.println("the character (Unicode code point) at the specified index is :: " + unicode);
    }
}
Output;
the character (Unicode code point) at the specified index is :: 106

Reference


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