Record Class SampleInstance<D,T>

java.lang.Object
java.lang.Record
smile.data.SampleInstance<D,T>
Type Parameters:
D - the data type.
T - the target type.
Record Components:
x - the sample data.
y - the sample target.
public record SampleInstance<D,T>(D x, T y) extends Record
An immutable sample instance.

  • Constructor Summary

    Constructors
    Constructor
    Description
    SampleInstance(D x)
    Constructor without target.
    SampleInstance(D x, T y)
    Creates an instance of a SampleInstance record class.

  • Method Summary

    Modifier and Type
    Method
    Description
    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.
    D
    x()
    Returns the value of the x record component.
    T
    y()
    Returns the value of the y record component.

    Methods inherited from class Object

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

  • Constructor Details

    • SampleInstance

      public SampleInstance(D x)
      Constructor without target.
      Parameters:
      x - the sample data.

    • SampleInstance

      public SampleInstance(D x, T y)
      Creates an instance of a SampleInstance record class.
      Parameters:
      x - the value for the x record component
      y - the value for the y 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.

    • x

      public D x()
      Returns the value of the x record component.
      Returns:
      the value of the x record component

    • y

      public T y()
      Returns the value of the y record component.
      Returns:
      the value of the y record component