String toCharArray() in Java

Implementation

import java.util.*;
import java.io.*;
import java.lang.*;


class CodingNinjas
{
    public static void main (String[] args) throws Java.lang.Exception
    {
      String str = new String("Hello !");
/*String toCharArray() converts a string to a sequence of characters */

      char[] arr = str.toCharArray();

      System.out.print("Return Value : " );
      System.out.println(str.toCharArray() );
      System.out.println("\nSize of char[] = " + arr.length);
  

    }
}

You can also try this code with Online Java Compiler

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Output:

Return Value : Hello !

Size of char[] = 7

You can also try this code with Online Java Compiler

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Check out this problem - Shortest Common Supersequence.

Frequently Asked Questions

What is the use of character array in Java?

A character array in Java is used to store a sequence of characters. It allows manipulation of each character individually, making it useful for tasks like string processing, searching, or modifying specific characters.

How to reverse a string in Java using toCharArray?

To reverse a string using toCharArray(), first convert the string to a character array using toCharArray(). Then, reverse the array and create a new string from the reversed array.

What is the use of charAt() method?

The charAt() method in Java is used to get the character at a specific index in a string. It helps in accessing individual characters for string manipulation or searching.

Conclusion

This article taught us about String toCharArray() in Java and its implementation. The Java String toCharArray() method converts the String to a char array and returns it. We have also seen some examples to better understand how this method works.

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