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Changed the names of the counting sort methods

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Added curly braces for the loop
This commit is contained in:
nik
2018-04-09 09:57:03 +03:00
parent f564fa4ea1
commit 205aec0c4f
1 changed files with 9 additions and 9 deletions
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18
Sorts/CountingSort.java
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@ -14,7 +14,6 @@ import static java.util.stream.Collectors.toMap;
* @author Podshivalov Nikita (https://github.com/nikitap492)
*
*/
class CountingSort {
/**
@ -25,7 +24,7 @@ class CountingSort {
* Sorts the list in increasing order
* The method uses list elements as keys in the frequency map
**/
public static <T extends Comparable<T>> List<T> CS(List<T> list) {
public static <T extends Comparable<T>> List<T> countingSort(List<T> list) {
Map<T, Integer> frequency = new TreeMap<>();
// The final output array
@ -36,8 +35,9 @@ class CountingSort {
// Filling the sortedArray
for(Map.Entry<T, Integer> element : frequency.entrySet()) {
for(int j=0; j<element.getValue(); j++)
for(int j=0; j<element.getValue(); j++){
sortedArray.add(element.getKey());
}
}
return sortedArray;
@ -46,12 +46,12 @@ class CountingSort {
/**
* Stream Counting Sort
* The same as method {@link CountingSort#CS(List)} but this method uses stream API
* The same as method {@link CountingSort#countingSort(List)} but this method uses stream API
*
* @param list The list to be sorted
*
**/
public static <T extends Comparable<T>> List<T> streamCS(List<T> list) {
public static <T extends Comparable<T>> List<T> streamCountingSort(List<T> list) {
return list.stream()
.collect(toMap(k -> k, v -> 1, (v1, v2) -> v1 + v2, TreeMap::new))
.entrySet()
@ -70,9 +70,9 @@ class CountingSort {
// Output => 1 1 4 6 9 9 12 23 23 54 78 231
System.out.println("After Sorting:");
printList(CS(unsortedInts));
printList(countingSort(unsortedInts));
System.out.println("After Sorting By Streams:");
printList(streamCS(unsortedInts));
printList(streamCountingSort(unsortedInts));
System.out.println("\n------------------------------\n");
@ -84,10 +84,10 @@ class CountingSort {
//Output => a a b c c d e f g
System.out.println("After Sorting:");
printList(CS(unsortedStrings));
printList(countingSort(unsortedStrings));
System.out.println("After Sorting By Streams:");
printList(streamCS(unsortedStrings));
printList(streamCountingSort(unsortedStrings));
}