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  1. public class Main
  2. {
  3.     public static void main (String[] args) throws java.lang.Exception
  4.     {
  5.         String s1 = "Remove Last CharacterY";
  6.         String s2 = "Remove Last Character2";
  7.         String s3 = "N";
  8.         String s4 = null;
  9.         String s5 = "";
  10.         System.out.println("After removing s1==" + removeLastChar(s1) + "==");
  11.         System.out.println("After removing s2==" + removeLastChar(s2) + "==");
  12.         System.out.println("After removing s3==" + removeLastChar(s3) + "==");
  13.         System.out.println("After removing s4==" + removeLastChar(s4) + "==");
  14.         System.out.println("After removing s5==" + removeLastChar(s5) + "==");
  15.         }
  16.  
  17.     public static String removeLastChar(String str) {
  18.         return removeChars(str, 1);
  19.     }
  20.  
  21.     public static String removeChars(String str, int numberOfCharactersToRemove) {
  22.     	if(str != null && !str.trim().isEmpty()) {
  23.         	return str.substring(0, str.length() - numberOfCharactersToRemove);
  24.     	}
  25.     	return "";
  26.     }
  27. }
Success #stdin #stdout 0.13s 49928KB
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stdin
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Standard input is empty
stdout
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After removing s1==Remove Last Character==
After removing s2==Remove Last Character==
After removing s3====
After removing s4====
After removing s5====
https://ideone.com/Q6a3CC
language:
Java (HotSpot 12)
created:
2 years ago
visibility:
public

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