Java.lang.String.codePointAt() Method


Advertisements


Description

The java.lang.String.codePointAt() 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.

Declaration

Following is the declaration for java.lang.String.codePointAt() method

public int codePointAt(int index)

Parameters

index − This is the index to the char value.

Return Value

This method returns the code point value of the character at the index.

Exception

IndexOutOfBoundsException − if the index argument is negative or not less than the length of this string.

Example

The following example shows the usage of java.lang.String.codePointAt() method.

package com.tutorialspoint;

import java.lang.*;

public class StringDemo {

   public static void main(String[] args) {

      String str = "JAVA";
      System.out.println("String = " + str);

      // codepoint at index 1
      int retval = str.codePointAt(1);

      // prints character at index1 in string
      System.out.println("Character(unicode point) = " + retval);
   } 
}

Let us compile and run the above program, this will produce the following result −

String = JAVA
Character(unicode point) = 65

java_lang_string.htm

Advertisements