extern class JavaFloatArray

java :: JavaFloatArray

Java primitive array float[]

Note that Nit Float is the size of a double, so storing them in a JavaFloatArray may lead to a loss of precision.

Introduced properties

init new(size: Int): JavaFloatArray

java :: JavaFloatArray :: new

Get a new array of the given size

Redefined properties

redef type SELF: JavaFloatArray

java $ JavaFloatArray :: SELF

Type of this instance, automatically specialized in every class
redef fun [](i: Int): Float

java $ JavaFloatArray :: []

Return the index-th element of the sequence.
redef fun []=(i: Int, e: Float)

java $ JavaFloatArray :: []=

Set the value at key
redef fun length: Int

java $ JavaFloatArray :: length

Number of items in the collection.

All properties

fun !=(other: nullable Object): Bool

core :: Object :: !=

Have self and other different values?
fun ==(other: nullable Object): Bool

core :: Object :: ==

Have self and other the same value?
type CLASS: Class[SELF]

core :: Object :: CLASS

The type of the class of self.
type CONCURRENT: ConcurrentCollection[E]

core :: Collection :: CONCURRENT

Type of the concurrent variant of this collection
type SELF: Object

core :: Object :: SELF

Type of this instance, automatically specialized in every class
abstract fun [](index: Int): E

core :: SequenceRead :: []

Return the index-th element of the sequence.
abstract fun []=(key: Int, value: E)

java :: AbstractJavaArray :: []=

Set the value at key
fun address_is_null: Bool

core :: Pointer :: address_is_null

Is the address behind this Object at NULL?
protected fun class_factory(name: String): CLASS

core :: Object :: class_factory

Implementation used by get_class to create the specific class.
fun class_name: String

core :: Object :: class_name

The class name of the object.
fun combinations(r: Int): Collection[SequenceRead[E]]

core :: Collection :: combinations

All r-length combinations on self (in same order) without repeated elements.
fun combinations_with_replacement(r: Int): Collection[SequenceRead[E]]

core :: Collection :: combinations_with_replacement

All r-length combination on self (in same order) with repeated elements.
fun count(item: nullable Object): Int

core :: Collection :: count

How many occurrences of item are in the collection?
fun delete_global_ref

jvm :: JavaObject :: delete_global_ref

Delete this global reference
fun delete_local_ref

jvm :: JavaObject :: delete_local_ref

Delete this local reference
fun first: E

core :: Collection :: first

Return the first item of the collection
fun free

core :: Pointer :: free

Free the memory pointed by this pointer
fun get_class: CLASS

core :: Object :: get_class

The meta-object representing the dynamic type of self.
fun get_or_default(index: Int, default: E): E

core :: SequenceRead :: get_or_default

Try to get an element, return default if the index is invalid.
fun get_or_null(index: Int): nullable E

core :: SequenceRead :: get_or_null

Try to get an element, return null if the index is invalid.
fun has(item: nullable Object): Bool

core :: Collection :: has

Is item in the collection ?
fun has_all(other: Collection[nullable Object]): Bool

core :: Collection :: has_all

Does the collection contain at least each element of other?
fun has_any(other: Collection[nullable Object]): Bool

core :: Collection :: has_any

Does the collection contain at least one element of other?
fun has_exactly(other: Collection[nullable Object]): Bool

core :: Collection :: has_exactly

Does the collection contain exactly all the elements of other?
fun has_only(item: nullable Object): Bool

core :: Collection :: has_only

Is the collection contain only item?
fun hash: Int

core :: Object :: hash

The hash code of the object.
fun index_of(item: nullable Object): Int

core :: SequenceRead :: index_of

The index of the first occurrence of item.
fun index_of_from(item: nullable Object, pos: Int): Int

core :: SequenceRead :: index_of_from

The index of the first occurrence of item, starting from pos.
init init

core :: Object :: init

fun inspect: String

core :: Object :: inspect

Developer readable representation of self.
protected fun inspect_head: String

core :: Object :: inspect_head

Return "CLASSNAME:#OBJECTID".
fun is_empty: Bool

core :: Collection :: is_empty

Is there no item in the collection?
fun is_java_null: Bool

jvm :: JavaObject :: is_java_null

Is self null in Java?
intern fun is_same_instance(other: nullable Object): Bool

core :: Object :: is_same_instance

Return true if self and other are the same instance (i.e. same identity).
fun is_same_serialized(other: nullable Object): Bool

core :: Object :: is_same_serialized

Is self the same as other in a serialization context?
intern fun is_same_type(other: Object): Bool

core :: Object :: is_same_type

Return true if self and other have the same dynamic type.
abstract fun iterator: Iterator[E]

core :: Collection :: iterator

Get a new iterator on the collection.
fun iterator_from(pos: Int): IndexedIterator[E]

core :: SequenceRead :: iterator_from

Gets a new Iterator starting at position pos
fun join(separator: nullable Text, last_separator: nullable Text): String

core :: Collection :: join

Concatenate and separate each elements with separator.
fun last: E

core :: SequenceRead :: last

Get the last item.
fun last_index_of(item: nullable Object): Int

core :: SequenceRead :: last_index_of

The index of the last occurrence of item.
fun last_index_of_from(item: nullable Object, pos: Int): Int

core :: SequenceRead :: last_index_of_from

The index of the last occurrence of item starting from pos and decrementing.
fun length: Int

core :: Collection :: length

Number of items in the collection.
fun modulo(index: Int): E

core :: SequenceRead :: modulo

Return the index-th element but wrap
fun modulo_index(index: Int): Int

core :: SequenceRead :: modulo_index

Returns the real index for a modulo index.
private intern fun native_class_name: CString

core :: Object :: native_class_name

The class name of the object in CString format.
private fun native_equals(o: Pointer): Bool

core :: Pointer :: native_equals

init new(size: Int): JavaFloatArray

java :: JavaFloatArray :: new

Get a new array of the given size
fun new_global_ref: SELF

jvm :: JavaObject :: new_global_ref

Returns a global reference to the Java object behind this reference
fun not_empty: Bool

core :: Collection :: not_empty

Alias for not is_empty.
init nul: Pointer

core :: Pointer :: nul

C NULL pointer
intern fun object_id: Int

core :: Object :: object_id

An internal hash code for the object based on its identity.
fun output

core :: Object :: output

Display self on stdout (debug only).
intern fun output_class_name

core :: Object :: output_class_name

Display class name on stdout (debug only).
fun permutations(r: Int): Collection[SequenceRead[E]]

core :: Collection :: permutations

All r-length permutations on self (all possible ordering) without repeated elements.
fun plain_to_s: String

core :: Collection :: plain_to_s

Concatenate elements without separators
fun pop_from_local_frame: SELF

jvm :: JavaObject :: pop_from_local_frame

Pops the current local reference frame and return a valid reference to self
protected fun pop_from_local_frame_with_env(jni_env: JniEnv): SELF

jvm :: JavaObject :: pop_from_local_frame_with_env

Java implementation of pop_from_local_frame
private fun premultiply_alpha(width: Int, height: Int)

core :: Pointer :: premultiply_alpha

Multiply RGB values by their alpha value
fun product(r: Int): Collection[SequenceRead[E]]

core :: Collection :: product

Cartesian product, over r times self.
fun rand: E

core :: Collection :: rand

Return a random element form the collection
abstract fun reverse_iterator: IndexedIterator[E]

core :: SequenceRead :: reverse_iterator

Gets an iterator starting at the end and going backwards
fun reverse_iterator_from(pos: Int): IndexedIterator[E]

core :: SequenceRead :: reverse_iterator_from

Gets an iterator on the chars of self starting from pos
fun sample(length: Int): Array[E]

core :: Collection :: sample

Return a new array made of (at most) length elements randomly chosen.
fun serialization_hash: Int

core :: Object :: serialization_hash

Hash value use for serialization
private fun serialize_to_pure_json(v: JsonSerializer)

core :: Collection :: serialize_to_pure_json

Utility to serialize a normal Json array
intern fun sys: Sys

core :: Object :: sys

Return the global sys object, the only instance of the Sys class.
fun to_a: Array[E]

core :: Collection :: to_a

Build a new array from a collection
abstract fun to_concurrent: CONCURRENT

core :: Collection :: to_concurrent

Wraps self in a thread-safe collection
fun to_counter: Counter[E]

core :: Collection :: to_counter

Create and fill up a counter with the elements of `self.
fun to_curlslist: CURLSList

core :: Collection :: to_curlslist

Convert Collection[String] to CURLSList
fun to_java_string: JavaString

jvm :: JavaObject :: to_java_string

JavaString representation of self using Java's toString
abstract fun to_jvalue(env: JniEnv): JValue

core :: Object :: to_jvalue

fun to_s: String

core :: Object :: to_s

User readable representation of self.
fun to_shuffle: Array[E]

core :: Collection :: to_shuffle

Return a new array made of elements in a random order.
package_diagram java::JavaFloatArray JavaFloatArray java::AbstractJavaArray AbstractJavaArray java::JavaFloatArray->java::AbstractJavaArray core::SequenceRead SequenceRead java::AbstractJavaArray->core::SequenceRead jvm::JavaObject JavaObject java::AbstractJavaArray->jvm::JavaObject ...core::SequenceRead ... ...core::SequenceRead->core::SequenceRead ...jvm::JavaObject ... ...jvm::JavaObject->jvm::JavaObject

Ancestors

interface Collection[E: nullable Object]

core :: Collection

The root of the collection hierarchy.
extern class JavaObject

jvm :: JavaObject

Represens a jni jobject
interface Object

core :: Object

The root of the class hierarchy.
extern class Pointer

core :: Pointer

Pointer classes are used to manipulate extern C structures.
interface SequenceRead[E: nullable Object]

core :: SequenceRead

Sequences are indexed collections.

Parents

extern class AbstractJavaArray[E: Object]

java :: AbstractJavaArray

Java primitive array

Class definitions

java $ JavaFloatArray 
# Java primitive array `float[]`
#
# Note that Nit `Float` is the size of a double, so storing them in a
# `JavaFloatArray` may lead to a loss of precision.
extern class JavaFloatArray in "Java" `{ float[] `}
	super AbstractJavaArray[Float]

	# Get a new array of the given `size`
	new(size: Int) in "Java" `{ return new float[(int)size]; `}

	redef fun [](i) in "Java" `{ return (double)self[(int)i]; `}

	redef fun []=(i, e) in "Java" `{ self[(int)i] = (float)e; `}

	redef fun length in "Java" `{ return self.length; `}
end
lib/java/collections.nit:91,1--106,3
Nit tools. Version .