- element() - Method in class java.util.AbstractQueue
-
Retrieves, but does not remove, the head of this queue.
- element() - Method in class java.util.ArrayDeque
-
Retrieves, but does not remove, the head of the queue represented by this deque.
- element() - Method in interface java.util.Deque
-
Retrieves, but does not remove, the head of the queue represented by this deque (in other words, the first
element of this deque).
- element() - Method in class java.util.LinkedList
-
Retrieves, but does not remove, the head (first element) of this list.
- element() - Method in interface java.util.Queue
-
Retrieves, but does not remove, the head of this queue.
- EMPTY_LIST - Static variable in class java.util.Collections
-
The empty list (immutable).
- EMPTY_MAP - Static variable in class java.util.Collections
-
The empty map (immutable).
- EMPTY_SET - Static variable in class java.util.Collections
-
The empty set (immutable).
- emptyEnumeration() - Static method in class java.util.Collections
-
Returns an enumeration that has no elements.
- emptyIterator() - Static method in class java.util.Collections
-
Returns an iterator that has no elements.
- emptyList() - Static method in class java.util.Collections
-
Returns the empty list (immutable).
- emptyListIterator() - Static method in class java.util.Collections
-
Returns a list iterator that has no elements.
- emptyMap() - Static method in class java.util.Collections
-
Returns the empty map (immutable).
- emptySet() - Static method in class java.util.Collections
-
Returns the empty set (immutable).
- entrySet() - Method in interface java.util.SortedMap
-
Returns a Set
view of the mappings contained in this map.
- entrySet() - Method in class java.util.TreeMap
-
Returns a Set
view of the mappings contained in this map.
- enumeration(Collection<T>) - Static method in class java.util.Collections
-
Returns an enumeration over the specified collection.
- equals(long[], long[]) - Static method in class java.util.Arrays
-
Returns true if the two specified arrays of longs are equal to one another.
- equals(int[], int[]) - Static method in class java.util.Arrays
-
Returns true if the two specified arrays of ints are equal to one another.
- equals(short[], short[]) - Static method in class java.util.Arrays
-
Returns true if the two specified arrays of shorts are equal to one another.
- equals(char[], char[]) - Static method in class java.util.Arrays
-
Returns true if the two specified arrays of chars are equal to one another.
- equals(byte[], byte[]) - Static method in class java.util.Arrays
-
Returns true if the two specified arrays of bytes are equal to one another.
- equals(boolean[], boolean[]) - Static method in class java.util.Arrays
-
Returns true if the two specified arrays of booleans are equal to one another.
- equals(double[], double[]) - Static method in class java.util.Arrays
-
Returns true if the two specified arrays of doubles are equal to one another.
- equals(float[], float[]) - Static method in class java.util.Arrays
-
Returns true if the two specified arrays of floats are equal to one another.
- equals(Object[], Object[]) - Static method in class java.util.Arrays
-
Returns true if the two specified arrays of Objects are equal to one another.
- equals(Object, Object) - Static method in class java.util.Objects
-
Returns true
if the arguments are equal to each other and false
otherwise.