Java Utililty Methods Collection Add

List of utility methods to do Collection Add

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Description

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

Method

voidaddAllSafe(Collection collection1, Collection collection2)
Adds all elements of collection2 to collection1. 
if (collection2 != null) {
    collection1.addAll(collection2);
voidaddAllUncontained(Collection col1, Collection col2)
Adds all elements from col2 to col1, if they're not already contained. 
for (T t : col2) {
    if (!col1.contains(t)) {
        col1.add(t);
booleanaddAllUnique(final Collection collection, final Collection values)
add a collection of values to a collection. 
boolean changed = false;
for (final Iterator iter = values.iterator(); iter.hasNext();) {
    changed = addUnique(collection, iter.next());
return changed;
CollectionaddArray(Collection col, T[] array)
Adds the whole array to the collection. 
if (array == null) {
    return col;
for (T a : array) {
    col.add(a);
return col;
java.util.CollectionaddArray(java.util.Collection v, T array[])
add Array 
if ((array == null) || (v == null)) {
    return v;
for (int i = 0; i < array.length; i++) {
    v.add(array[i]);
return v;
voidaddArrayToCollection(T[] array, Collection collection)
add Array To Collection 
for (int i = 0; i < array.length; i++) {
    if (array[i] != null) {
        collection.add(array[i]);
voidaddArrayToCollection(T[] array, Collection collection)
Adds all array elements to the given collection of the same type. 
if (collection == null) {
    collection = new ArrayList<T>();
for (T o : array) {
    collection.add(o);
voidaddCheck(Collection c, Object o)
add Check 
if (o != null) {
    c.add(o);
ListaddCollections(Collection... inCollections)
add Collections 
return addCollections(true, inCollections);
voidaddCondition(Collection conditions, String condition, double value)
add Condition 
addConditionImpl(conditions, condition, String.valueOf(value));