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 T1	first
protected T2	second

Constructor Summary

Constructors

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

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()
T1	getFirst()
T1	getKey()
T2	getSecond()
T2	getValue()
final int	hashCode()	As defined by Map.Entry.hashCode()
void	setFirst(T1 first)
void	setSecond(T2 second)
T2	setValue(T2 value)
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

first

@Nullable
protected T1 first

second

@Nullable
protected 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

@Nullable
public T1 getFirst()

setFirst

public void setFirst(@Nullable
 T1 first)

getSecond

@Nullable
public 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
 @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

@Nullable
public T1 getKey()

Specified by:

getKey in interface Map.Entry<T1,T2>

getValue

@Nullable
public T2 getValue()

Specified by:

getValue in interface Map.Entry<T1,T2>

setValue

@Nullable
public 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