Find the last character in a string in Java

In this tutorial, we will learn about how to find the last Character in String in Java.

Firstly, we should know about the Strings and the built-in methods used in Java.

       String str = new String("CodeSpeedy");

There are different methods provided by Java in string here we will use charAt()

charAt() in Java

In Java String class charAt() returns a character at a specific index number in the string.

Number indexing starts from 0 to n-1 where n is the length of the string.

EXAMPLE 

Input:

           str = "CodeSpeedy"
           str.charAt(4);
Output:
           S

//return the  character which is at 4th position in the string

Last Character in a string in Java using str.length() and str.charAt()

public class Strings {
    
    public static void LastCharacter(String str)
    {
        int n = str.length();
        char last = str.charAt(n - 1);
        System.out.println("Last Character is :  " + last);
    }
  
    // Driver Code
    public static void main(String args[])
    {
        String str = "CodeSpeedy";
 
        LastCharacter(str);
    }

}

Explanation

  • Create a function LastCharacter and then find the string length by .length() method.
  • Calculate the last character of the string and store it in char last.
  • Printing the last character of the string.
  • Then coming to the Driven code part give the String str in by literal method.
  • Lastly, call the LastCharacter function.

OUTPUT

Find the last character in a string in Java

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