Java Utililty Methods Collection Contain

List of utility methods to do Collection Contain

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Description

The list of methods to do Collection Contain are organized into topic(s).

Method

booleancontains(Collection mainCollection, String str)
contains 
String[] mainArr = new String[mainCollection.size()];
return contains(mainCollection.toArray(mainArr), str);
booleancontains(Collection c1, Collection c2)
contains 
boolean flag = true;
for (T t : c2) {
    if (!c1.contains(t)) {
        flag = false;
        break;
return flag;
...
booleancontains(Collection collection, T item)
Checks if the given collection contains the specified item. 
return collection.contains(item);
booleancontains(final Collection mimeTypes, final MimeType mimeType)
Checks if a specific MimeType is in a collection of mime types 
if (mimeTypes == null) {
    throw new IllegalArgumentException("The collection of mimeTypes cannot be null.");
if (mimeType == null) {
    throw new IllegalArgumentException("mimeType cannot be null.");
return mimeTypes.stream().filter(format -> format != null)
        .anyMatch(allowedImageOutputFormat -> allowedImageOutputFormat.match(mimeType));
...
booleancontains(final Collection c, final T o)
contains 
return (c != null && c.contains(o));
booleancontains(Object o, Collection c)
contains 
if (c == null) {
    return false;
return c.contains(o);
booleancontainsAll(Collection c, Iterable subset)
Test whether a collection contains all the elements of a list. 
if (subset instanceof Collection<?>) {
    return c.containsAll((Collection<?>) subset);
} else {
    for (Object o : subset) {
        if (!c.contains(o)) {
            return false;
    return true;
booleancontainsAll(Collection coll, Collection other)
contains All 
for (Object otherElement : other) {
    if (!coll.contains(otherElement))
        return false;
return true;
booleancontainsAll(Collection collectionToCheck, Collection items)
contains All 
for (Object o : items) {
    if (!collectionToCheck.contains(o)) {
        return false;
return true;
booleancontainsAll(final Collection c, final Object... array)
contains All 
for (int i = 0; i < array.length; i++) {
    if (!c.contains(array[i])) {
        return false;
return true;