Module com.github.ushiosan.jvm
Package com.github.ushiosan23.jvm.collections

Class Containers

java.lang.Object
com.github.ushiosan23.jvm.collections.Containers
public final class Containers extends Object

  • Method Details

    • listOf

      @SafeVarargs @Contract(pure=true) @NotNull public static <T> @NotNull @Unmodifiable List<T> listOf(T... items)
      Create an immutable list with all the given elements.
      Type Parameters:
      T - List generic type
      Parameters:
      items - Elements to insert
      Returns:
      Return an immutable list with all elements

    • mutableListOf

      @SafeVarargs @Contract("_ -> new") @NotNull public static <T> @NotNull List<T> mutableListOf(T... items)
      Create a mutable list with all the given elements.
      Type Parameters:
      T - List generic type
      Parameters:
      items - Elements to insert
      Returns:
      Return a mutable list with all elements

    • setOf

      @SafeVarargs @NotNull public static <T> @Unmodifiable @NotNull Set<T> setOf(T... items)
      Create an immutable set with all the given elements.
      Type Parameters:
      T - Set generic type
      Parameters:
      items - Elements to insert
      Returns:
      Return an immutable set with all elements

    • mutableSetOf

      @SafeVarargs @Contract("_ -> new") @NotNull public static <T> @NotNull Set<T> mutableSetOf(T... items)
      Create a mutable set with all the given elements.
      Type Parameters:
      T - Set generic type
      Parameters:
      items - Elements to insert
      Returns:
      Return a mutable set with all elements

    • mapOf

      @SafeVarargs @NotNull public static <K, V> @UnmodifiableView @NotNull Map<K,V> mapOf(Map.Entry<K,V>... elements)
      Generate an immutable map with all elements inside.
      Type Parameters:
      K - Generic key type
      V - Generic value type
      Parameters:
      elements - Target elements to insert
      Returns:
      Returns an immutable map with all elements

    • mutableMapOf

      @Contract(pure=true) @SafeVarargs @NotNull public static <K, V> @NotNull Map<K,V> mutableMapOf(Map.Entry<K,V> @NotNull ... elements)
      Generate a mutable map with all elements inside.
      Type Parameters:
      K - Generic key type
      V - Generic value type
      Parameters:
      elements - Target elements to insert
      Returns:
      Returns a mutable map with all elements

    • entry

      @Contract(value="_, _ -> new", pure=true) public static <K, V> @UnmodifiableView @NotNull Map.Entry<K,V> entry(K key, V value)
      Generate an immutable map entry with the selected information.
      Type Parameters:
      K - Generic key type
      V - Generic value type
      Parameters:
      key - The key to the map entry
      value - The value to the map entry
      Returns:
      Returns a valid map entry with the selected information

    • mutableEntry

      @Contract(value="_, _ -> new", pure=true) public static <K, V> @NotNull Map.Entry<K,V> mutableEntry(K key, V value)
      Generate a mutable map entry with the selected information.
      Type Parameters:
      K - Generic key type
      V - Generic value type
      Parameters:
      key - The key to the map entry
      value - The value to the map entry
      Returns:
      Returns a valid map entry with the selected information