Package org.tweetyproject.commons.util

Class Pair<E,F>

java.lang.Object

org.tweetyproject.commons.util.Pair<E,F>

Type Parameters:

E - the type of the first element

F - the type of the second element

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

Division

public class Pair<E,F>
extends Object
implements Serializable

This class implements a simple pair of elements.

Author:

Matthias Thimm, Bastian Wolf

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
Pair()	Initializes an empty pair.
Pair(E obj1, F obj2)	Initializes the elements of this pair with the given parameters

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
E	getFirst()	returns the first element of this pair
F	getSecond()	returns the second element of this pair
int	hashCode()
void	setFirst(E obj1)	sets the first element of this pair
void	setSecond(F obj2)	sets the second element of this pair
String	toString()	returns a string representation of a pair as "(obj1, obj2)"

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Details

Pair

public Pair()

Initializes an empty pair.

Pair

public Pair(E obj1,
 F obj2)

Initializes the elements of this pair with the given parameters

Parameters:

obj1 - the first element of this pair

obj2 - the second element of this pair

Method Details

getFirst

public E getFirst()

returns the first element of this pair

Returns:

the first element of this pair

setFirst

public void setFirst(E obj1)

sets the first element of this pair

Parameters:

obj1 - an object of type E

getSecond

public F getSecond()

returns the second element of this pair

Returns:

the second element of this pair

setSecond

public void setSecond(F obj2)

sets the second element of this pair

Parameters:

obj2 - an object of type F

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

returns a string representation of a pair as "(obj1, obj2)"

Overrides:

toString in class Object

Returns:

a string representation of a pair as "(obj1, obj2)"