Java Utililty Methods List Remove

List of utility methods to do List Remove

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Description

The list of methods to do List Remove are organized into topic(s).

Method

ListremoveEmpties(List original)
Simple removes empty string from given list 
List<String> l = new ArrayList<>(original);
l.removeAll(Arrays.asList("", null));
return l;
ListremoveEmpty(List strings)
Removes empty strings from the given list 
List<String> result = new ArrayList<String>();
for (String string : strings) {
    if (string.length() > 0)
        result.add(string);
return result;
ListremoveEmptyColumns(List data)
remove Empty Columns 
if (firstColumnRemovable(data) == false) {
    return data;
final List<String> result = new ArrayList<String>(data);
do {
    removeFirstColumn(result);
} while (firstColumnRemovable(result));
return Collections.unmodifiableList(result);
...
voidremoveEmptyLines(List lines)
Removes empty lines from the vector. 
removeEmptyLines(lines, true);
voidremoveEmptyLinesFromEnd(List list)
remove Empty Lines From End 
while ("".equals(list.get(list.size()).toString())) {
    list.remove(list.size());
voidremoveEmptyLinesOnSides(List lines)
remove Empty Lines On Sides 
while (lines.size() > 0 && lines.get(0).trim().length() == 0)
    lines.remove(0);
while (lines.size() > 0 && lines.get(lines.size() - 1).trim().length() == 0)
    lines.remove(lines.size() - 1);
voidremoveEmptyLists(Map map)
remove Empty Lists 
for (Iterator<Map.Entry<String, Object>> it = map.entrySet().iterator(); it.hasNext();) {
    Map.Entry<String, Object> entry = it.next();
    if (entry.getValue() == null) {
        it.remove();
    } else if (entry.getKey().equals("coordinates")) { 
        it.remove();
    } else if (entry.getValue() instanceof List) {
        if (((ArrayList<?>) entry.getValue()).size() == 0) {
...
voidremoveEmptyStringsFromList(List list)
remove Empty Strings From List 
list.removeAll(Collections.singleton(null));
list.removeAll(Collections.singleton(""));
ListremoveEmptyStringsInList(List list)
remove Empty Strings In List 
List<String> newList = new ArrayList<String>();
for (String s : list) {
    if (!s.isEmpty()) {
        newList.add(s.trim());
return newList;
CollectionremoveEmptyTags(List tags)
remove Empty Tags 
ArrayList<String> result = new ArrayList<String>(tags.size());
for (String tag : tags) {
    if (!(tag.length() < 1 || tag.equals(" "))) { 
        result.add(tag);
return result;