how to remove last char of a string java code example

Example 1: java remove last character from string

String s = "Hello Worlds";
String end = "";
end = s.substring((0, s.length()-1));

Example 2: replace last char in string java

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