public class CollectionUtils extends java.lang.Object
Collection utility methods.
| Constructor and description |
|---|
private CollectionUtils
() |
| Type Params | Return Type | Name and description |
|---|---|---|
|
public static java.util.Map |
getOrCreateChildMap(java.util.Map parent, java.lang.String key)Gets a child map of the given parent map or returns an empty map if it doesn't exist |
<T> |
public static java.util.List<T> |
newList(T values) |
<K, V> |
public static java.util.Map |
newMap(java.lang.Object keysAndValues) |
<T> |
public static java.util.Set<T> |
newSet(T values) |
| Methods inherited from class | Name |
|---|---|
class java.lang.Object |
java.lang.Object#wait(long, int), java.lang.Object#wait(), java.lang.Object#wait(long), java.lang.Object#equals(java.lang.Object), java.lang.Object#toString(), java.lang.Object#hashCode(), java.lang.Object#getClass(), java.lang.Object#notify(), java.lang.Object#notifyAll() |
Gets a child map of the given parent map or returns an empty map if it doesn't exist
parent - The parent mapkey - The key that holds the child map