com.helger.collection.pair

Interface IPair<DATA1TYPE,DATA2TYPE>

Type Parameters:

DATA1TYPE - First type.

DATA2TYPE - Second type.

All Superinterfaces:

Serializable

All Known Subinterfaces:

IMutablePair<DATA1TYPE,DATA2TYPE>

All Known Implementing Classes:

Pair

public interface IPair<DATA1TYPE,DATA2TYPE>
extends Serializable

Represents a basic read-only pair.

Author:

Philip Helger

Method Summary

Modifier and Type	Method and Description
DATA1TYPE	getFirst()
DATA2TYPE	getSecond()
default boolean	hasFirst()
default boolean	hasSecond()

Method Detail

getFirst

DATA1TYPE getFirst()

Returns:

The first element. May be null depending on the implementation.

hasFirst

default boolean hasFirst()

Returns:

true if getFirst() != null

getSecond

DATA2TYPE getSecond()

Returns:

The second element. May be null depending on the implementation.

hasSecond

default boolean hasSecond()

Returns:

true if getSecond() != null