Package smile.util

Record Class Tuple2<T1,T2>

java.lang.Object
java.lang.Record
smile.util.Tuple2<T1,T2>
Type Parameters:
T1 - the type of first element.
T2 - the type of second element.
Record Components:
_1 - the first element.
_2 - the second element.
public record Tuple2<T1,T2>(T1 _1, T2 _2) extends Record
A tuple of 2 elements.

  • Constructor Summary

    Constructors
    Constructor
    Description
    Tuple2(T1 _1, T2 _2)
    Creates an instance of a Tuple2 record class.

  • Method Summary

    Modifier and Type
    Method
    Description
    T1
    _1()
    Returns the value of the _1 record component.
    T2
    _2()
    Returns the value of the _2 record component.
    final boolean
    equals(Object o)
    Indicates whether some other object is "equal to" this one.
    final int
    hashCode()
    Returns a hash code value for this object.
    final String
    toString()
    Returns a string representation of this record class.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • Tuple2

      public Tuple2(T1 _1, T2 _2)
      Creates an instance of a Tuple2 record class.
      Parameters:
      _1 - the value for the _1 record component
      _2 - the value for the _2 record component

  • Method Details

    • toString

      public final String toString()
      Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.
      Specified by:
      toString in class Record
      Returns:
      a string representation of this object

    • hashCode

      public final int hashCode()
      Returns a hash code value for this object. The value is derived from the hash code of each of the record components.
      Specified by:
      hashCode in class Record
      Returns:
      a hash code value for this object

    • equals

      public final boolean equals(Object o)
      Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with Objects::equals(Object,Object).
      Specified by:
      equals in class Record
      Parameters:
      o - the object with which to compare
      Returns:
      true if this object is the same as the o argument; false otherwise.

    • _1

      public T1 _1()
      Returns the value of the _1 record component.
      Returns:
      the value of the _1 record component

    • _2

      public T2 _2()
      Returns the value of the _2 record component.
      Returns:
      the value of the _2 record component