Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 GNU LESSER GENERAL PUBLIC LICENSE
 Copyright (C) 2006 The Lobo Project
    
 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.
    
 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.
    
 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    
 Contact info: lobochief@users.sourceforge.net
 */

import java.util.Iterator;

import java.util.NoSuchElementException;

public class Main {
    public static <T> Iterator<T> singletonIterator(final T item) {
        return new Iterator<T>() {
            private boolean gotItem = false;

            public boolean hasNext() {
                return !this.gotItem;
            }

            public T next() {
                if (this.gotItem) {
                    throw new NoSuchElementException();
                }
                this.gotItem = true;
                return item;
            }

            public void remove() {
                if (!this.gotItem) {
                    this.gotItem = true;
                } else {
                    throw new NoSuchElementException();
                }
            }
        };
    }
}