Package ch.njol.util

Class Pair<T1,T2>

java.lang.Object

ch.njol.util.Pair<T1,T2>

All Implemented Interfaces:

Serializable, Cloneable, Map.Entry<T1,T2>

Direct Known Subclasses:

NonNullPair

public class Pair<T1,T2>
extends Object
implements Map.Entry<T1,T2>, Cloneable, Serializable

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected @Nullable T1	first
protected @Nullable T2	second

Constructor Summary

Constructors

Constructor	Description
Pair()
Pair(@Nullable T1 first, @Nullable T2 second)
Pair(Map.Entry<T1,T2> e)

Method Summary

Modifier and Type	Method	Description
Pair<T1,T2>	clone()
final boolean	equals(@Nullable Object obj)	Checks for equality with Entries to match hashCode()
@Nullable T1	getFirst()
@Nullable T1	getKey()
@Nullable T2	getSecond()
@Nullable T2	getValue()
final int	hashCode()	As defined by Map.Entry.hashCode()
void	setFirst(@Nullable T1 first)
void	setSecond(@Nullable T2 second)
@Nullable T2	setValue(@Nullable T2 value)
String	toString()

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

first

protected @Nullable T1 first

second

protected @Nullable T2 second

Constructor Details

Pair

public Pair()

Pair

public Pair(@Nullable T1 first,
 @Nullable T2 second)

Pair

public Pair(Map.Entry<T1,T2> e)

Method Details

getFirst

public @Nullable T1 getFirst()

setFirst

public void setFirst(@Nullable T1 first)

getSecond

public @Nullable T2 getSecond()

setSecond

public void setSecond(@Nullable T2 second)

toString

public String toString()

Overrides:

toString in class Object

Returns:

"first,second"

equals

public final boolean equals(@Nullable Object obj)

Checks for equality with Entries to match hashCode()

Specified by:

equals in interface Map.Entry<T1,T2>

Overrides:

equals in class Object

hashCode

public final int hashCode()

As defined by Map.Entry.hashCode()

Specified by:

hashCode in interface Map.Entry<T1,T2>

Overrides:

hashCode in class Object

getKey

public @Nullable T1 getKey()

Specified by:

getKey in interface Map.Entry<T1,T2>

getValue

public @Nullable T2 getValue()

Specified by:

getValue in interface Map.Entry<T1,T2>

setValue

public @Nullable T2 setValue(@Nullable T2 value)

Specified by:

setValue in interface Map.Entry<T1,T2>

clone

public Pair<T1,T2> clone()

Overrides:

clone in class Object

Returns:

a shallow copy of this pair