(b) Iterating IntBags The Java API includes an interface called Iterator that is designed to retrieve each of the objects from a set of objects, once and once only.

All the classes released in Java 2 that implement the collection interface contain an iterator () method, which returns an instance of the Iterator. There's nearly universal support for the Iterator ...

Caused by java.lang.NullPointerException Attempt to invoke interface method 'java.util.Iterator java.util.List.iterator()' on a null object reference ...

Implementing an iterator for a Trie in java kakarak Dec 9, 2004 Jump to latest Follow Reply ...

Filtering Iterator nuts and bolts As the filtering Iterator implements the java.util.Iterator interface, it must provide implementations for the methods defined within that interface.

Since the BufferedIterator is an iterator, it implements the java.util.Iterator interface and honors the contracts laid down in that class’s javadoc.

3.1. Basic Roster Class 3.2. Adding an Iterator 3.3. Making Roster Iterable 3.4. Bringing it All Together Iterator is actually an interface that requires you to implement three methods: // Returns ...