public final class DataUtil extends Object
| Modifier and Type | Method and Description |
|---|---|
static <T> boolean |
anyValuesInCommon(Collection<T> c1,
Collection<T> c2)
Method that can be used to efficiently check if 2 collections
share at least one common element.
|
static <T> Iterator<T> |
emptyIterator() |
static char[] |
getEmptyCharArray() |
static int[] |
growArrayBy(int[] arr,
int more) |
static String[] |
growArrayBy(String[] arr,
int more) |
static Object |
growArrayBy50Pct(Object arr) |
static Object |
growArrayToAtLeast(Object arr,
int minLen)
Method similar to
growArrayBy50Pct(java.lang.Object), but it also ensures that
the new size is at least as big as the specified minimum size. |
static Object |
growArrayToAtMost(Object arr,
int maxLen)
Method similar to
growArrayBy50Pct(java.lang.Object), but it also ensures that
the new size is no bigger than specific maximum size. |
static Integer |
Integer(int i) |
static <T> Iterator<T> |
singletonIterator(T item) |
public static char[] getEmptyCharArray()
public static Integer Integer(int i)
public static <T> Iterator<T> singletonIterator(T item)
public static <T> Iterator<T> emptyIterator()
public static <T> boolean anyValuesInCommon(Collection<T> c1, Collection<T> c2)
public static Object growArrayToAtLeast(Object arr, int minLen)
growArrayBy50Pct(java.lang.Object), but it also ensures that
the new size is at least as big as the specified minimum size.public static Object growArrayToAtMost(Object arr, int maxLen)
growArrayBy50Pct(java.lang.Object), but it also ensures that
the new size is no bigger than specific maximum size.public static int[] growArrayBy(int[] arr,
int more)
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