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Pair
public
class
Pair
extends Object
Container to ease passing around a tuple of two objects. This object provides a sensible
implementation of equals(), returning true if equals() is true on each of the contained
objects.
Summary
Public constructors |
Pair(F first, S second)
Constructor for a Pair.
|
Public methods |
static
<A, B>
Pair<A, B>
|
create(A a, B b)
Convenience method for creating an appropriately typed pair.
|
boolean
|
equals(Object o)
Checks the two objects for equality by delegating to their respective
Object#equals(Object) methods.
|
int
|
hashCode()
Compute a hash code using the hash codes of the underlying objects
|
String
|
toString()
Returns a string representation of the object.
|
Inherited methods |
From class
java.lang.Object
Object
|
clone()
Creates and returns a copy of this object.
|
boolean
|
equals(Object obj)
Indicates whether some other object is "equal to" this one.
|
void
|
finalize()
Called by the garbage collector on an object when garbage collection
determines that there are no more references to the object.
|
final
Class<?>
|
getClass()
Returns the runtime class of this Object .
|
int
|
hashCode()
Returns a hash code value for the object.
|
final
void
|
notify()
Wakes up a single thread that is waiting on this object's
monitor.
|
final
void
|
notifyAll()
Wakes up all threads that are waiting on this object's monitor.
|
String
|
toString()
Returns a string representation of the object.
|
final
void
|
wait(long timeoutMillis, int nanos)
Causes the current thread to wait until it is awakened, typically
by being notified or interrupted, or until a
certain amount of real time has elapsed.
|
final
void
|
wait(long timeoutMillis)
Causes the current thread to wait until it is awakened, typically
by being notified or interrupted, or until a
certain amount of real time has elapsed.
|
final
void
|
wait()
Causes the current thread to wait until it is awakened, typically
by being notified or interrupted.
|
|
Fields
first
public final F first
second
public final S second
Public constructors
Pair
public Pair (F first,
S second)
Constructor for a Pair.
Parameters |
first |
F : the first object in the Pair |
second |
S : the second object in the pair |
Public methods
create
public static Pair<A, B> create (A a,
B b)
Convenience method for creating an appropriately typed pair.
Parameters |
a |
A : the first object in the Pair |
b |
B : the second object in the pair |
Returns |
Pair<A, B> |
a Pair that is templatized with the types of a and b |
equals
public boolean equals (Object o)
Checks the two objects for equality by delegating to their respective
Object#equals(Object)
methods.
Parameters |
o |
Object : the Pair to which this one is to be checked for equality
This value may be null . |
Returns |
boolean |
true if the underlying objects of the Pair are both considered
equal |
hashCode
public int hashCode ()
Compute a hash code using the hash codes of the underlying objects
Returns |
int |
a hashcode of the Pair |
toString
public String toString ()
Returns a string representation of the object.
Returns |
String |
a string representation of the object. |
Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
Last updated 2024-04-04 UTC.
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