Package de.elo.utils

Class Boxed.Ints

java.lang.Object
de.elo.utils.Boxed.Ints
Enclosing class:
Boxed
public static class Boxed.Ints
extends java.lang.Object
Encapsulates a List of Integers.

  • Constructor Summary

    Constructors 
    Constructor Description
    Ints()
    Initialize empty list.
    Ints​(int... arr)
    Initialize list with given int values.
    Ints​(java.util.Collection<java.lang.Integer> list)
    Initialize list with given collection values.

  • Method Summary

    Modifier and Type Method Description
    Boxed.Ints add​(int... arr)
    Add values.
    Boxed.Ints add​(java.util.Collection<java.lang.Integer> list)
    Add values.
    java.util.stream.IntStream intStream()
    Wrap by IntStream.
    boolean isEmpty()
    Test on empty list.
    Boxed.Ints sort()
    Sort acending.
    java.util.stream.Stream<java.lang.Integer> stream()
    Wrap by stream.
    int[] toArray()
    Copy to int array.
    java.util.List<java.lang.Integer> toList()
    Return reference to internal list.
    java.util.Set<java.lang.Integer> toSet()
    Copy to hash set.
    java.lang.String toString()
    Format as comma separated list.
    Boxed.Ints unique()
    Remove duplicates.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

  • Constructor Details

    • Ints

      public Ints()
      Initialize empty list.

    • Ints

      public Ints​(int... arr)
      Initialize list with given int values.
      Parameters:
      arr - values

    • Ints

      public Ints​(java.util.Collection<java.lang.Integer> list)
      Initialize list with given collection values.
      Parameters:
      list - collection

  • Method Details

    • add

      public Boxed.Ints add​(int... arr)
      Add values.
      Parameters:
      arr - values
      Returns:
      this

    • add

      public Boxed.Ints add​(java.util.Collection<java.lang.Integer> list)
      Add values.
      Parameters:
      arr - values
      Returns:
      this

    • toArray

      public int[] toArray()
      Copy to int array.
      Returns:
      int array

    • toList

      public java.util.List<java.lang.Integer> toList()
      Return reference to internal list.
      Returns:
      list

    • toSet

      public java.util.Set<java.lang.Integer> toSet()
      Copy to hash set.
      Returns:
      set

    • stream

      public java.util.stream.Stream<java.lang.Integer> stream()
      Wrap by stream.
      Returns:
      stream

    • intStream

      public java.util.stream.IntStream intStream()
      Wrap by IntStream.
      Returns:

    • isEmpty

      public boolean isEmpty()
      Test on empty list.
      Returns:
      true if empty

    • toString

      public java.lang.String toString()
      Format as comma separated list.
      Overrides:
      toString in class java.lang.Object
      Returns:
      Comma separated list, e.g. "[1,2,3]"

    • sort

      public Boxed.Ints sort()
      Sort acending.
      Returns:
      this

    • unique

      public Boxed.Ints unique()
      Remove duplicates.
      Returns:
      this