take off the last char on a string code example

Example 1: java get last char of string

public class Test {
    public static void main(String args[]) {
        String string = args[0];
        System.out.println("last character: " +
                           string.substring(string.length() - 1)); 
    }
}

Example 2: remove last character string

let str = "Hello world"
let strWithoutLastChar = str.substring(0, str.length - 1)