Package | Description |
---|---|
java.lang |
Provides classes that are fundamental to the design of the Java
programming language.
|
java.lang.annotation |
Provides library support for the Java programming language annotation facility.
|
java.nio |
Defines buffers, which are containers for data.
|
java.nio.file |
Defines interfaces and classes for the Java virtual machine to access files,
file attributes, and file systems.
|
java.nio.file.attribute |
Interfaces and classes providing access to file and file system attributes.
|
java.util |
Contains the collections framework, legacy collection classes, event model,
date and time facilities, random-number generator, and miscellaneous utility
classes.
|
Modifier and Type | Class and Description |
---|---|
class |
Boolean
The Boolean class wraps a value of the primitive type
boolean in an object. |
class |
Byte
The
Byte class wraps a value of primitive type byte
in an object. |
class |
Character
The
Character class wraps a value of the primitive
type char in an object. |
class |
Double
The
Double class wraps a value of the primitive type
double in an object. |
class |
Enum<E extends Enum<E>>
This is the common base class of all Java language enumeration types.
|
class |
Float
The
Float class wraps a value of primitive type
float in an object. |
class |
Integer
The
Integer class wraps a value of the primitive type
int in an object. |
class |
Long
The
Long class wraps a value of the primitive type long in an object. |
class |
Short
The
Short class wraps a value of primitive type short in an object. |
class |
String
The
String class represents character strings. |
Modifier and Type | Class and Description |
---|---|
class |
ElementType
A program element type.
|
class |
RetentionPolicy
Annotation retention policy.
|
Modifier and Type | Class and Description |
---|---|
class |
ByteBuffer
A byte buffer.
|
class |
FloatBuffer
A float buffer.
|
class |
IntBuffer
An int buffer.
|
class |
ShortBuffer
A short buffer.
|
Modifier and Type | Interface and Description |
---|---|
interface |
Path
An object that may be used to locate a file in a file system.
|
Modifier and Type | Class and Description |
---|---|
class |
LinkOption
Defines the options as to how symbolic links are handled.
|
class |
StandardCopyOption
Defines the standard copy options.
|
class |
StandardOpenOption
Defines the standard open options.
|
Modifier and Type | Class and Description |
---|---|
class |
FileTime
Represents the value of a file's time stamp attribute.
|
Modifier and Type | Class and Description |
---|---|
class |
Calendar
The
Calendar class is an abstract class that provides methods
for converting between a specific instant in time and a set of calendar fields such as YEAR , MONTH ,
DAY_OF_MONTH , HOUR , and so on, and for
manipulating the calendar fields, such as getting the date of the next
week. |
class |
Date
The class
Date represents a specific instant
in time, with millisecond precision. |
Modifier and Type | Method and Description |
---|---|
static <T extends Object & Comparable<? super T>> |
Collections.max(Collection<? extends T> coll)
Returns the maximum element of the given collection, according to the
natural ordering of its elements.
|
static <T extends Object & Comparable<? super T>> |
Collections.min(Collection<? extends T> coll)
Returns the minimum element of the given collection, according to the
natural ordering of its elements.
|
static <T extends Comparable<? super T>> |
Collections.sort(List<T> list)
Sorts the specified list into ascending order, according to the
natural ordering of its elements.
|
Modifier and Type | Method and Description |
---|---|
static <T> int |
Collections.binarySearch(List<? extends Comparable<? super T>> list,
T key)
Searches the specified list for the specified object using the binary
search algorithm.
|
Copyright (c) 2014, Oracle and/or its affiliates. All Rights Reserved. Use of this specification is subject to license terms.