Demonstrating StringBuffer
// : appendixa:ImmutableStrings.java
// Demonstrating StringBuffer.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
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);
}
} ///:~
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