/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.uwyn.rife.datastructures.collections.primitives;
/**
* An iterator over <code>int</code> values.
*
* @since Commons Primitives 1.0
* @version $Revision: 3913 $ $Date: 2008-04-13 09:38:28 +0200 (Sun, 13 Apr 2008) $
*
* @author Rodney Waldhoff
*/
public interface IntIterator {
/**
* Returns <code>true</code> iff I have more elements.
* (In other words, returns <code>true</code> iff
* a subsequent call to {@link #next next} will return
* an element rather than throwing an exception.)
*
* @return <code>true</code> iff I have more elements
*/
boolean hasNext();
/**
* Returns the next element in me.
*
* @return the next element in me
* @throws java.util.NoSuchElementException if there is no next element
*/
int next();
/**
* Removes from my underlying collection the last
* element {@link #next returned} by me
* (optional operation).
*
* @throws UnsupportedOperationException if this operation is not supported
* @throws IllegalStateException if {@link #next} has not yet been
* called, or {@link #remove} has already been called since
* the last call to {@link #next}.
*/
void remove();
}