// references/ImmutableStrings.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// Demonstrating StringBuilder

public class ImmutableStrings {
 public static void main(String[] args) {
 String foo = "foo";
 String s = "abc" + foo + "def"
 + Integer.toString(47);
 System.out.println(s);
 // The "equivalent" using StringBuilder:
 StringBuilder sb =
 new StringBuilder("abc"); // Creates String
 sb.append(foo);
 sb.append("def"); // Creates String
 sb.append(Integer.toString(47));
 System.out.println(sb);
 }
}
/* Output:
abcfoodef47
abcfoodef47
*/