Remove extra delimiter from a String in Java

Input: String = "Geeks, For, Geeks, ", delimiter = ', '
Output: "Geeks, For, Geeks"

Input: String = "G.e.e.k.s.", delimiter = '.'
Output: "G.e.e.k.s"

1. Get the String.
2. Get the last index of the delimiter using lastIndexOf() method.
3. Construct a new String with the 2 different substrings: one from beginning till the found index - 1, and the other from the index + 1 till the end. Below is the implementation of the above approach: Java

   // Java program to remove
   // extra delimiter at the end of a String
   
   public class GFG {
   
       public static void main(String args[])
       {
   
           // Get the String
           String str = "Geeks, For, Geeks,";
   
           // Get the delimiter
           char delimiter = ',';
   
           // Print the original string
           System.out.println("Original String: "
                              + str);
   
           // Get the index of  delimiter
           int index = str.lastIndexOf(delimiter);
   
           // Remove the extra delimiter by skipping it
           str = str.substring(0, index)
                 + str.substring(index + 1);
   
           // Print the new String
           System.out.println("String with extra "
                              + "delimiter removed: "
                              + str);
       }
   }
   

   Output:

   Original String: Geeks, For, Geeks,
   String with extra delimiter removed: Geeks, For, Geeks
   

   
   
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