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BruceEckelBruceEckel
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March 2021 Book Update
See notes in "Foreword to the Leanpub Edition"
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‎collections/AdapterMethodIdiom.java

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@@ -33,7 +33,7 @@ public void remove() { // Not implemented
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public class AdapterMethodIdiom {
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public static void main(String[] args) {
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ReversibleArrayList<String> ral =
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new ReversibleArrayList<String>(
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new ReversibleArrayList<>(
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Arrays.asList("To be or not to be".split(" ")));
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// Grabs the ordinary iterator via iterator():
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for(String s : ral)

‎collections/CollectionSequence.java

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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import typeinfo.pets.*;
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import reflection.pets.*;
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import java.util.*;
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public class CollectionSequence

‎collections/CrossCollectionIteration.java

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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import typeinfo.pets.*;
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import reflection.pets.*;
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import java.util.*;
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public class CrossCollectionIteration {

‎collections/CrossCollectionIteration2.java

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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import typeinfo.pets.*;
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import reflection.pets.*;
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import java.util.*;
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public class CrossCollectionIteration2 {

‎collections/InterfaceVsIterator.java

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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import typeinfo.pets.*;
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import reflection.pets.*;
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import java.util.*;
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public class InterfaceVsIterator {

‎collections/LinkedListFeatures.java

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@@ -2,7 +2,7 @@
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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import typeinfo.pets.*;
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import reflection.pets.*;
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import java.util.*;
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public class LinkedListFeatures {

‎collections/ListFeatures.java

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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import typeinfo.pets.*;
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import reflection.pets.*;
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import java.util.*;
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public class ListFeatures {

‎collections/ListIteration.java

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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import typeinfo.pets.*;
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import reflection.pets.*;
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import java.util.*;
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public class ListIteration {

‎collections/MapOfList.java

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// Visit http://OnJava8.com for more book information.
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// {java collections.MapOfList}
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package collections;
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import typeinfo.pets.*;
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import reflection.pets.*;
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import java.util.*;
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public class MapOfList {

‎collections/MultiIterableClass.java

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@@ -29,7 +29,7 @@ public Iterable<String> randomized() {
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return new Iterable<String>() {
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public Iterator<String> iterator() {
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List<String> shuffled =
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new ArrayList<String>(Arrays.asList(words));
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new ArrayList<>(Arrays.asList(words));
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Collections.shuffle(shuffled, new Random(47));
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return shuffled.iterator();
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}

‎collections/NonCollectionSequence.java

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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import typeinfo.pets.*;
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import reflection.pets.*;
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import java.util.*;
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class PetSequence {

‎collections/PetMap.java

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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import typeinfo.pets.*;
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import reflection.pets.*;
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import java.util.*;
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public class PetMap {

‎collections/SimpleIteration.java

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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import typeinfo.pets.*;
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import reflection.pets.*;
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import java.util.*;
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public class SimpleIteration {

‎collectiontopics/CollectionMethods.java

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// c2 and c3 (an intersection of sets):
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c2.retainAll(c3);
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show(c2);
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// Throw away all the elements
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// in c2 that also appear in c3:
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// Discard all c2 elements that also appear in c3:
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c2.removeAll(c3);
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System.out.println(
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"c2.isEmpty() = " + c2.isEmpty());

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