修复程序输出typo (#648)

* Update 12-Collections.md

程序输出typo

* Update 12-Collections.md

程序输出typo

Author: iao113

docs/book/12-Collections.md

@@ -57,10 +57,8 @@ public class ApplesAndOrangesWithoutGenerics {
 /* Output:
 ___[ Error Output ]___
 Exception in thread "main"
-java.lang.ClassCastException: Orange cannot be cast to
-Apple
-        at ApplesAndOrangesWithoutGenerics.main(ApplesA
-ndOrangesWithoutGenerics.java:23)
+java.lang.ClassCastException: Orange cannot be cast to Apple
+        at ApplesAndOrangesWithoutGenerics.main(ApplesAndOrangesWithoutGenerics.java:23)
 */
 ```
 
@@ -178,7 +176,7 @@ public class SimpleCollection {
   }
 }
 /* Output:
-0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 
 */
 ```
 
@@ -553,14 +551,10 @@ public class CrossCollectionIteration {
   }
 }
 /* Output:
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
-5:Cymric 2:Cymric 7:Manx 1:Manx 3:Mutt 6:Pug 4:Pug
-0:Rat
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
+5:Cymric 2:Cymric 7:Manx 1:Manx 3:Mutt 6:Pug 4:Pug 0:Rat
 */
 ```
 
@@ -594,14 +588,10 @@ public class CrossCollectionIteration2 {
   }
 }
 /* Output:
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
-5:Cymric 2:Cymric 7:Manx 1:Manx 3:Mutt 6:Pug 4:Pug
-0:Rat
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
+5:Cymric 2:Cymric 7:Manx 1:Manx 3:Mutt 6:Pug 4:Pug 0:Rat
 */
 ```
 
@@ -640,12 +630,10 @@ public class ListIteration {
   }
 }
 /* Output:
-Rat, 1, 0; Manx, 2, 1; Cymric, 3, 2; Mutt, 4, 3; Pug,
-5, 4; Cymric, 6, 5; Pug, 7, 6; Manx, 8, 7;
+Rat, 1, 0; Manx, 2, 1; Cymric, 3, 2; Mutt, 4, 3; Pug, 5, 4; Cymric, 6, 5; Pug, 7, 6; Manx, 8, 7;
 7 6 5 4 3 2 1 0
 [Rat, Manx, Cymric, Mutt, Pug, Cymric, Pug, Manx]
-[Rat, Manx, Cymric, Cymric, Rat, EgyptianMau, Hamster,
-EgyptianMau]
+[Rat, Manx, Cymric, Cymric, Rat, EgyptianMau, Hamster, EgyptianMau]
 */
 ```
 
@@ -854,8 +842,7 @@ public class SetOfInteger {
   }
 }
 /* Output:
-[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
-16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29]
+[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29]
 */
 ```
 
@@ -952,8 +939,7 @@ set2 in set1: true
 set1: [A, B, C, D, E, F, G, I, J, K, L, M]
 set2 in set1: false
 set2 removed from set1: [A, B, C, D, E, F, G, M]
-'X Y Z' added to set1: [A, B, C, D, E, F, G, M, X, Y,
-Z]
+'X Y Z' added to set1: [A, B, C, D, E, F, G, M, X, Y, Z]
 */
 ```
 
@@ -980,13 +966,7 @@ public class UniqueWords {
   }
 }
 /* Output:
-[A, B, C, Collections, D, E, F, G, H, HashSet, I, J, K,
-L, M, N, Output, Set, SetOperations, String, System, X,
-Y, Z, add, addAll, added, args, class, collections,
-contains, containsAll, false, from, import, in, java,
-main, new, out, println, public, remove, removeAll,
-removed, set1, set2, split, static, to, true, util,
-void]
+[A, B, C, Collections, D, E, F, G, H, HashSet, I, J, K, L, M, N, Output, Set, SetOperations, String, System, X, Y, Z, add, addAll, added, args, class, collections, contains, containsAll, false, from, import, in, java, main, new, out, println, public, remove, removeAll, removed, set1, set2, split, static, to, true, util, void]
 */
 ```
 
@@ -1013,12 +993,7 @@ public class UniqueWordsAlphabetic {
   }
 }
 /* Output:
-[A, add, addAll, added, args, B, C, class, collections,
-contains, containsAll, D, E, F, false, from, G, H,
-HashSet, I, import, in, J, java, K, L, M, main, N, new,
-out, Output, println, public, remove, removeAll,
-removed, Set, set1, set2, SetOperations, split, static,
-String, System, to, true, util, void, X, Y, Z]
+[A, add, addAll, added, args, B, C, class, collections, contains, containsAll, D, E, F, false, from, G, H, HashSet, I, import, in, J, java, K, L, M, main, N, new, out, Output, println, public, remove, removeAll, removed, Set, set1, set2, SetOperations, split, static, String, System, to, true, util, void, X, Y, Z]
 */
 ```
 
@@ -1051,9 +1026,7 @@ public class Statistics {
   }
 }
 /* Output:
-{0=481, 1=502, 2=489, 3=508, 4=481, 5=503, 6=519,
-7=471, 8=468, 9=549, 10=513, 11=531, 12=521, 13=506,
-14=477, 15=497, 16=533, 17=509, 18=478, 19=464}
+{0=481, 1=502, 2=489, 3=508, 4=481, 5=503, 6=519, 7=471, 8=468, 9=549, 10=513, 11=531, 12=521, 13=506, 14=477, 15=497, 16=533, 17=509, 18=478, 19=464}
 */
 ```
 
@@ -1315,21 +1288,14 @@ public class InterfaceVsIterator {
   }
 }
 /* Output:
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
-{Ralph=Rat, Eric=Manx, Robin=Cymric, Lacey=Mutt,
-Britney=Pug, Sam=Cymric, Spot=Pug, Fluffy=Manx}
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
+{Ralph=Rat, Eric=Manx, Robin=Cymric, Lacey=Mutt, Britney=Pug, Sam=Cymric, Spot=Pug, Fluffy=Manx}
 [Ralph, Eric, Robin, Lacey, Britney, Sam, Spot, Fluffy]
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
 */
 ```
 
@@ -1372,10 +1338,8 @@ extends AbstractCollection<Pet> {
   }
 }
 /* Output:
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
 */
 ```
 
@@ -1417,8 +1381,7 @@ public class NonCollectionSequence extends PetSequence {
   }
 }
 /* Output:
-0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug
-7:Manx
+0:Rat 1:Manx 2:Cymric 3:Mutt 4:Pug 5:Cymric 6:Pug 7:Manx
 */
 ```
 
@@ -1729,64 +1692,35 @@ public class CollectionDifferences {
   }
 }
 /* Output:
-Collection: [add, addAll, clear, contains, containsAll,
-equals, forEach, hashCode, isEmpty, iterator,
-parallelStream, remove, removeAll, removeIf, retainAll,
-size, spliterator, stream, toArray]
+Collection: [add, addAll, clear, contains, containsAll, equals, forEach, hashCode, isEmpty, iterator, parallelStream, remove, removeAll, removeIf, retainAll, size, spliterator, stream, toArray]
 Interfaces in Collection: [Iterable]
 Set extends Collection, adds: []
 Interfaces in Set: [Collection]
 HashSet extends Set, adds: []
 Interfaces in HashSet: [Set, Cloneable, Serializable]
 LinkedHashSet extends HashSet, adds: []
-Interfaces in LinkedHashSet: [Set, Cloneable,
-Serializable]
-TreeSet extends Set, adds: [headSet,
-descendingIterator, descendingSet, pollLast, subSet,
-floor, tailSet, ceiling, last, lower, comparator,
-pollFirst, first, higher]
-Interfaces in TreeSet: [NavigableSet, Cloneable,
-Serializable]
-List extends Collection, adds: [replaceAll, get,
-indexOf, subList, set, sort, lastIndexOf, listIterator]
+Interfaces in LinkedHashSet: [Set, Cloneable, Serializable]
+TreeSet extends Set, adds: [headSet, descendingIterator, descendingSet, pollLast, subSet, floor, tailSet, ceiling, last, lower, comparator, pollFirst, first, higher]
+Interfaces in TreeSet: [NavigableSet, Cloneable, Serializable]
+List extends Collection, adds: [replaceAll, get, indexOf, subList, set, sort, lastIndexOf, listIterator]
 Interfaces in List: [Collection]
-ArrayList extends List, adds: [trimToSize,
-ensureCapacity]
-Interfaces in ArrayList: [List, RandomAccess,
-Cloneable, Serializable]
-LinkedList extends List, adds: [offerFirst, poll,
-getLast, offer, getFirst, removeFirst, element,
-removeLastOccurrence, peekFirst, peekLast, push,
-pollFirst, removeFirstOccurrence, descendingIterator,
-pollLast, removeLast, pop, addLast, peek, offerLast,
-addFirst]
-Interfaces in LinkedList: [List, Deque, Cloneable,
-Serializable]
-Queue extends Collection, adds: [poll, peek, offer,
-element]
+ArrayList extends List, adds: [trimToSize, ensureCapacity]
+Interfaces in ArrayList: [List, RandomAccess, Cloneable, Serializable]
+LinkedList extends List, adds: [offerFirst, poll, getLast, offer, getFirst, removeFirst, element, removeLastOccurrence, peekFirst, peekLast, push, pollFirst, removeFirstOccurrence, descendingIterator, pollLast, removeLast, pop, addLast, peek, offerLast, addFirst]
+Interfaces in LinkedList: [List, Deque, Cloneable, Serializable]
+Queue extends Collection, adds: [poll, peek, offer, element]
 Interfaces in Queue: [Collection]
 PriorityQueue extends Queue, adds: [comparator]
 Interfaces in PriorityQueue: [Serializable]
-Map: [clear, compute, computeIfAbsent,
-computeIfPresent, containsKey, containsValue, entrySet,
-equals, forEach, get, getOrDefault, hashCode, isEmpty,
-keySet, merge, put, putAll, putIfAbsent, remove,
-replace, replaceAll, size, values]
+Map: [clear, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, equals, forEach, get, getOrDefault, hashCode, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, replace, replaceAll, size, values]
 HashMap extends Map, adds: []
 Interfaces in HashMap: [Map, Cloneable, Serializable]
 LinkedHashMap extends HashMap, adds: []
 Interfaces in LinkedHashMap: [Map]
-SortedMap extends Map, adds: [lastKey, subMap,
-comparator, firstKey, headMap, tailMap]
+SortedMap extends Map, adds: [lastKey, subMap, comparator, firstKey, headMap, tailMap]
 Interfaces in SortedMap: [Map]
-TreeMap extends Map, adds: [descendingKeySet,
-navigableKeySet, higherEntry, higherKey, floorKey,
-subMap, ceilingKey, pollLastEntry, firstKey, lowerKey,
-headMap, tailMap, lowerEntry, ceilingEntry,
-descendingMap, pollFirstEntry, lastKey, firstEntry,
-floorEntry, comparator, lastEntry]
-Interfaces in TreeMap: [NavigableMap, Cloneable,
-Serializable]
+TreeMap extends Map, adds: [descendingKeySet, navigableKeySet, higherEntry, higherKey, floorKey, subMap, ceilingKey, pollLastEntry, firstKey, lowerKey, headMap, tailMap, lowerEntry, ceilingEntry, descendingMap, pollFirstEntry, lastKey, firstEntry, floorEntry, comparator, lastEntry]
+Interfaces in TreeMap: [NavigableMap, Cloneable, Serializable]
 */
 ```