Java Iterator

Methods

• boolean hasNext()
  • Returns true if there are more elements. Otherwise, returns false.
• Object next()
  • Returns the next element. Throws NoSuchElementException if there is not a next element.
• void remove()
  • Removes the current element. Throws IllegalStateException if an attempt is made to call remove() that is not preceded by a call to next().

Links

• C++ Iterator
• Rust Iterator
• Java - How to Use Iterator?