how to delete the last value of a string in java code example

Example 1: remove last character from string java

private static String removeLastChar(String str) {
    return str.substring(0, str.length() - 1);
}

Example 2: string replace last character java

if(fieldName.endsWith(","))
{
  fieldName = fieldName.substring(0,fieldName.length() - 1);
}