public class Zobb {
public static void main(
String [] args) {
StringBuilder sb = new StringBuilder("Foo");
sb.append("bar").delete(2, 4).reverse().insert(2, "tt");
String s = sb.toString().substring(1, 5);
s.toUpperCase();
System.out.println(s);
}
}
//my question is even though "toUpperCase()" method is being called on String object "s", the output being printed is "atto". why is it like that....?