Java.lang.String.codePointAt() Method

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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



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