// innerclasses/LocalInnerClass.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.
// Holds a sequence of Objects

interface Counter {
 int next();
}

public class LocalInnerClass {
 private int count = 0;
 Counter getCounter(final String name) {
 // A local inner class:
 class LocalCounter implements Counter {
 LocalCounter() {
 // Local inner class can have a constructor
 System.out.println("LocalCounter()");
 }
 @Override
 public int next() {
 System.out.print(name); // Access local final
 return count++;
 }
 }
 return new LocalCounter();
 }
 // Repeat, but with an anonymous inner class:
 Counter getCounter2(final String name) {
 return new Counter() {
 // Anonymous inner class cannot have a named
 // constructor, only an instance initializer:
 {
 System.out.println("Counter()");
 }
 @Override
 public int next() {
 System.out.print(name); // Access local final
 return count++;
 }
 };
 }
 public static void main(String[] args) {
 LocalInnerClass lic = new LocalInnerClass();
 Counter
 c1 = lic.getCounter("Local inner "),
 c2 = lic.getCounter2("Anonymous inner ");
 for(int i = 0; i < 5; i++)
 System.out.println(c1.next());
 for(int i = 0; i < 5; i++)
 System.out.println(c2.next());
 }
}
/* Output:
LocalCounter()
Counter()
Local inner 0
Local inner 1
Local inner 2
Local inner 3
Local inner 4
Anonymous inner 5
Anonymous inner 6
Anonymous inner 7
Anonymous inner 8
Anonymous inner 9
*/