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/*
* Copyright (c) 1995, 2010, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle or the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
public class BoxDemo {
public static <U> void addBox(U u, java.util.List<Box<U>> boxes) {
Box<U> box = new Box<>();
box.set(u);
boxes.add(box);
}
public static <U> void outputBoxes(java.util.List<Box<U>> boxes) {
int counter = 0;
for (Box<U> box: boxes) {
U boxContents = box.get();
System.out.println(
"Box #" + counter + " contains [" +
boxContents.toString() + "]");
counter++;
}
}
public static void main(String[] args) {
java.util.ArrayList<Box<Integer>> listOfIntegerBoxes =
new java.util.ArrayList<>();
BoxDemo.<Integer>addBox(Integer.valueOf(10), listOfIntegerBoxes);
BoxDemo.addBox(Integer.valueOf(20), listOfIntegerBoxes);
BoxDemo.addBox(Integer.valueOf(30), listOfIntegerBoxes);
BoxDemo.outputBoxes(listOfIntegerBoxes);
}
}