moved examples for 'removing all occurrences of an element from a list' to core-java-collections (#4878)

2018-08-02 08:59:55 +02:00
parent 6a53e33a0c
commit cc4ab484cc
3 changed files with 211 additions and 209 deletions
@@ -1,111 +0,0 @@
-package com.baeldung.list;
-
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Objects;
-import java.util.stream.Collectors;
-
-public class RemoveAll {
-
-    static void removeWithWhileLoopPrimitiveElement(List<Integer> list, int element) {
-        while (list.contains(element)) {
-            list.remove(element);
-        }
-    }
-
-    static void removeWithWhileLoopNonPrimitiveElement(List<Integer> list, Integer element) {
-        while (list.contains(element)) {
-            list.remove(element);
-        }
-    }
-
-    static void removeWithWhileLoopStoringFirstOccurrenceIndex(List<Integer> list, Integer element) {
-        int index;
-        while ((index = list.indexOf(element)) >= 0) {
-            list.remove(index);
-        }
-    }
-
-    static void removeWithCallingRemoveUntilModifies(List<Integer> list, Integer element) {
-        while (list.remove(element))
-            ;
-    }
-
-    static void removeWithStandardForLoopUsingIndex(List<Integer> list, int element) {
-        for (int i = 0; i < list.size(); i++) {
-            if (Objects.equals(element, list.get(i))) {
-                list.remove(i);
-            }
-        }
-    }
-
-    static void removeWithForLoopDecrementOnRemove(List<Integer> list, int element) {
-        for (int i = 0; i < list.size(); i++) {
-            if (Objects.equals(element, list.get(i))) {
-                list.remove(i);
-                i--;
-            }
-        }
-    }
-
-    static void removeWithForLoopIncrementIfRemains(List<Integer> list, int element) {
-        for (int i = 0; i < list.size();) {
-            if (Objects.equals(element, list.get(i))) {
-                list.remove(i);
-            } else {
-                i++;
-            }
-        }
-    }
-
-    static void removeWithForEachLoop(List<Integer> list, int element) {
-        for (Integer number : list) {
-            if (Objects.equals(number, element)) {
-                list.remove(number);
-            }
-        }
-    }
-
-    static void removeWithIterator(List<Integer> list, int element) {
-        for (Iterator<Integer> i = list.iterator(); i.hasNext();) {
-            Integer number = i.next();
-            if (Objects.equals(number, element)) {
-                i.remove();
-            }
-        }
-    }
-
-    static List<Integer> removeWithCollectingAndReturningRemainingElements(List<Integer> list, int element) {
-        List<Integer> remainingElements = new ArrayList<>();
-        for (Integer number : list) {
-            if (!Objects.equals(number, element)) {
-                remainingElements.add(number);
-            }
-        }
-        return remainingElements;
-    }
-
-    static void removeWithCollectingRemainingElementsAndAddingToOriginalList(List<Integer> list, int element) {
-        List<Integer> remainingElements = new ArrayList<>();
-        for (Integer number : list) {
-            if (!Objects.equals(number, element)) {
-                remainingElements.add(number);
-            }
-        }
-
-        list.clear();
-        list.addAll(remainingElements);
-    }
-
-    static List<Integer> removeWithStreamFilter(List<Integer> list, Integer element) {
-        return list.stream()
-            .filter(e -> !Objects.equals(e, element))
-            .collect(Collectors.toList());
-    }
-
-    static void removeWithRemoveIf(List<Integer> list, Integer element) {
-        list.removeIf(n -> Objects.equals(n, element));
-    }
-
-}