Code: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 StringBuffer:
StringBuffer sb = new StringBuffer("abc"); // Creates String!
sb.append(foo);
sb.append("def"); // Creates String!
sb.append(Integer.toString(47));
System.out.println(sb);
}
}
