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MID Profile | |||||||||
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Packages that use Object | |
java.io | Provides classes for input and output through data streams. |
java.lang | MID Profile Language Classes included from Java 2 Standard Edition. |
java.util | MID Profile Utility Classes included from Java 2 Standard Edition. |
javax.microedition.io | MID Profile includes networking support based on the
Generic Connection framework from the
Connected, Limited Device Configuration. |
javax.microedition.lcdui | The UI API provides a set of features for implementation of user interfaces for MIDP applications. |
javax.microedition.lcdui.game | The Game API package provides a series of classes that enable the development of rich gaming content for wireless devices. |
javax.microedition.media | The MIDP 2.0 Media API is a directly compatible building block of the Mobile Media API (JSR-135) specification. |
javax.microedition.midlet | The MIDlet package defines Mobile Information Device Profile applications and the interactions between the application and the environment in which the application runs. |
javax.microedition.pki | Certificates are used to authenticate information for secure Connections. |
javax.microedition.rms | The Mobile Information Device Profile provides a mechanism for MIDlets to persistently store data and later retrieve it. |
Uses of Object in java.io |
Subclasses of Object in java.io | |
class |
ByteArrayInputStream
A ByteArrayInputStream contains
an internal buffer that contains bytes that
may be read from the stream. |
class |
ByteArrayOutputStream
This class implements an output stream in which the data is written into a byte array. |
class |
DataInputStream
A data input stream lets an application read primitive Java data types from an underlying input stream in a machine-independent way. |
class |
DataOutputStream
A data input stream lets an application write primitive Java data types to an output stream in a portable way. |
class |
EOFException
Signals that an end of file or end of stream has been reached unexpectedly during input. |
class |
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes. |
class |
InputStreamReader
An InputStreamReader is a bridge from byte streams to character streams: It reads bytes and translates them into characters. |
class |
InterruptedIOException
Signals that an I/O operation has been interrupted. |
class |
IOException
Signals that an I/O exception of some sort has occurred. |
class |
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes. |
class |
OutputStreamWriter
An OutputStreamWriter is a bridge from character streams to byte streams: Characters written to it are translated into bytes. |
class |
PrintStream
A PrintStream adds functionality to another output stream,
namely the ability to print representations of various data values
conveniently. |
class |
Reader
Abstract class for reading character streams. |
class |
UnsupportedEncodingException
The Character Encoding is not supported. |
class |
UTFDataFormatException
Signals that a malformed UTF-8 string has been read in a data input stream or by any class that implements the data input interface. |
class |
Writer
Abstract class for writing to character streams. |
Fields in java.io declared as Object | |
protected Object |
Reader.lock
The object used to synchronize operations on this stream. |
protected Object |
Writer.lock
The object used to synchronize operations on this stream. |
Methods in java.io with parameters of type Object | |
void |
PrintStream.print(Object obj)
Print an object. |
void |
PrintStream.println(Object x)
Print an Object and then terminate the line. |
Constructors in java.io with parameters of type Object | |
Reader(Object lock)
Create a new character-stream reader whose critical sections will synchronize on the given object. |
|
Writer(Object lock)
Create a new character-stream writer whose critical sections will synchronize on the given object. |
Uses of Object in java.lang |
Subclasses of Object in java.lang | |
class |
ArithmeticException
Thrown when an exceptional arithmetic condition has occurred. |
class |
ArrayIndexOutOfBoundsException
Thrown to indicate that an array has been accessed with an illegal index. |
class |
ArrayStoreException
Thrown to indicate that an attempt has been made to store the wrong type of object into an array of objects. |
class |
Boolean
The Boolean class wraps a value of the primitive type boolean in an object. |
class |
Byte
The Byte class is the standard wrapper for byte values. |
class |
Character
The Character class wraps a value of the primitive type char
in an object. |
class |
Class
Instances of the class Class represent classes and interfaces
in a running Java application. |
class |
ClassCastException
Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance. |
class |
ClassNotFoundException
Thrown when an application tries to load in a class through its string name using the forName method in class Class
but no definition for the class with the specified name could be found. |
class |
Error
An Error is a subclass of Throwable
that indicates serious problems that a reasonable application
should not try to catch. |
class |
Exception
The class Exception and its subclasses are a form of
Throwable that indicates conditions that a reasonable
application might want to catch. |
class |
IllegalAccessException
Thrown when an application tries to load in a class, but the currently executing method does not have access to the definition of the specified class, because the class is not public and in another package. |
class |
IllegalArgumentException
Thrown to indicate that a method has been passed an illegal or inappropriate argument. |
class |
IllegalMonitorStateException
Thrown to indicate that a thread has attempted to wait on an object's monitor or to notify other threads waiting on an object's monitor without owning the specified monitor. |
class |
IllegalStateException
Signals that a method has been invoked at an illegal or inappropriate time. |
class |
IllegalThreadStateException
Thrown to indicate that a thread is not in an appropriate state for the requested operation. |
class |
IndexOutOfBoundsException
Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range. |
class |
InstantiationException
Thrown when an application tries to create an instance of a class using the newInstance method in class
Class , but the specified class object cannot be
instantiated because it is an interface or is an abstract class. |
class |
Integer
The Integer class wraps a value of the primitive type int
in an object. |
class |
InterruptedException
Thrown when a thread is waiting, sleeping, or otherwise paused for a long time and another thread interrupts it using the interrupt method in class Thread . |
class |
Long
The Long class wraps a value of the primitive type long
in an object. |
class |
Math
The class Math contains methods for performing basic
numeric operations. |
class |
NegativeArraySizeException
Thrown if an application tries to create an array with negative size. |
class |
NullPointerException
Thrown when an application attempts to use null in a
case where an object is required. |
class |
NumberFormatException
Thrown to indicate that the application has attempted to convert a string to one of the numeric types, but that the string does not have the appropriate format. |
class |
OutOfMemoryError
Thrown when the Java Virtual Machine cannot allocate an object because it is out of memory, and no more memory could be made available by the garbage collector. |
class |
Runtime
Every Java application has a single instance of class Runtime that allows the application to interface with
the environment in which the application is running. |
class |
RuntimeException
RuntimeException is the superclass of those
exceptions that can be thrown during the normal operation of the
Java Virtual Machine. |
class |
SecurityException
Thrown by the security manager to indicate a security violation. |
class |
Short
The Short class is the standard wrapper for short values. |
class |
String
The String class represents character strings. |
class |
StringBuffer
A string buffer implements a mutable sequence of characters. |
class |
StringIndexOutOfBoundsException
Thrown by the charAt method in class
String and by other String
methods to indicate that an index is either negative or greater
than or equal to the size of the string. |
class |
System
The System class contains several useful class fields
and methods. |
class |
Thread
A thread is a thread of execution in a program. |
class |
Throwable
The Throwable class is the superclass of all errors
and exceptions in the Java language. |
class |
VirtualMachineError
Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue operating. |
Methods in java.lang that return Object | |
Object |
Class.newInstance()
Creates a new instance of a class. |
Methods in java.lang with parameters of type Object | |
boolean |
Object.equals(Object obj)
Indicates whether some other object is "equal to" this one. |
boolean |
Character.equals(Object obj)
Compares this object against the specified object. |
boolean |
Byte.equals(Object obj)
Compares this object to the specified object. |
boolean |
Integer.equals(Object obj)
Compares this object to the specified object. |
boolean |
String.equals(Object anObject)
Compares this string to the specified object. |
static String |
String.valueOf(Object obj)
Returns the string representation of the Object argument. |
boolean |
Class.isInstance(Object obj)
Determines if the specified Object is assignment-compatible
with the object represented by this Class . |
StringBuffer |
StringBuffer.append(Object obj)
Appends the string representation of the Object
argument to this string buffer. |
StringBuffer |
StringBuffer.insert(int offset,
Object obj)
Inserts the string representation of the Object
argument into this string buffer. |
boolean |
Boolean.equals(Object obj)
Returns true if and only if the argument is not
null and is a Boolean object that
represents the same boolean value as this object. |
boolean |
Short.equals(Object obj)
Compares this object to the specified object. |
static void |
System.arraycopy(Object src,
int src_position,
Object dst,
int dst_position,
int length)
Copies an array from the specified source array, beginning at the specified position, to the specified position of the destination array. |
static int |
System.identityHashCode(Object x)
Returns the same hashcode for the given object as would be returned by the default method hashCode(), whether or not the given object's class overrides hashCode(). |
boolean |
Long.equals(Object obj)
Compares this object against the specified object. |
Uses of Object in java.util |
Subclasses of Object in java.util | |
class |
Calendar
Calendar is an abstract class for getting and setting dates
using a set of integer fields such as
YEAR , MONTH , DAY ,
and so on. |
class |
Date
|
class |
EmptyStackException
Thrown by methods in the Stack class to indicate
that the stack is empty. |
class |
Hashtable
This class implements a hashtable, which maps keys to values. |
class |
NoSuchElementException
Thrown by the nextElement method of an
Enumeration to indicate that there are no more
elements in the enumeration. |
class |
Random
An instance of this class is used to generate a stream of pseudorandom numbers. |
class |
Stack
The Stack class represents a last-in-first-out
(LIFO) stack of objects. |
class |
Timer
A facility for threads to schedule tasks for future execution in a background thread. |
class |
TimerTask
A task that can be scheduled for one-time or repeated execution by a Timer . |
class |
TimeZone
TimeZone represents a time zone offset, and also figures out daylight
savings. |
class |
Vector
The Vector class implements a growable array of
objects. |
Fields in java.util declared as Object | |
protected Object[] |
Vector.elementData
The array buffer into which the components of the vector are stored. |
Methods in java.util that return Object | |
Object |
Hashtable.get(Object key)
Returns the value to which the specified key is mapped in this hashtable. |
Object |
Hashtable.put(Object key,
Object value)
Maps the specified key to the specified
value in this hashtable. |
Object |
Hashtable.remove(Object key)
Removes the key (and its corresponding value) from this hashtable. |
Object |
Vector.elementAt(int index)
Returns the component at the specified index. |
Object |
Vector.firstElement()
Returns the first component of this vector. |
Object |
Vector.lastElement()
Returns the last component of the vector. |
Object |
Stack.push(Object item)
Pushes an item onto the top of this stack. |
Object |
Stack.pop()
Removes the object at the top of this stack and returns that object as the value of this function. |
Object |
Stack.peek()
Looks at the object at the top of this stack without removing it from the stack. |
Object |
Enumeration.nextElement()
Returns the next element of this enumeration if this enumeration object has at least one more element to provide. |
Methods in java.util with parameters of type Object | |
boolean |
Date.equals(Object obj)
Compares two dates for equality. |
boolean |
Calendar.equals(Object obj)
Compares this calendar to the specified object. |
boolean |
Calendar.before(Object when)
Compares the time field records. |
boolean |
Calendar.after(Object when)
Compares the time field records. |
boolean |
Hashtable.contains(Object value)
Tests if some key maps into the specified value in this hashtable. |
boolean |
Hashtable.containsKey(Object key)
Tests if the specified object is a key in this hashtable. |
Object |
Hashtable.get(Object key)
Returns the value to which the specified key is mapped in this hashtable. |
Object |
Hashtable.put(Object key,
Object value)
Maps the specified key to the specified
value in this hashtable. |
Object |
Hashtable.remove(Object key)
Removes the key (and its corresponding value) from this hashtable. |
void |
Vector.copyInto(Object[] anArray)
Copies the components of this vector into the specified array. |
boolean |
Vector.contains(Object elem)
Tests if the specified object is a component in this vector. |
int |
Vector.indexOf(Object elem)
Searches for the first occurence of the given argument, testing for equality using the equals method. |
int |
Vector.indexOf(Object elem,
int index)
Searches for the first occurence of the given argument, beginning the search at index , and testing for equality using
the equals method. |
int |
Vector.lastIndexOf(Object elem)
Returns the index of the last occurrence of the specified object in this vector. |
int |
Vector.lastIndexOf(Object elem,
int index)
Searches backwards for the specified object, starting from the specified index, and returns an index to it. |
void |
Vector.setElementAt(Object obj,
int index)
Sets the component at the specified index of this
vector to be the specified object. |
void |
Vector.insertElementAt(Object obj,
int index)
Inserts the specified object as a component in this vector at the specified index . |
void |
Vector.addElement(Object obj)
Adds the specified component to the end of this vector, increasing its size by one. |
boolean |
Vector.removeElement(Object obj)
Removes the first occurrence of the argument from this vector. |
Object |
Stack.push(Object item)
Pushes an item onto the top of this stack. |
int |
Stack.search(Object o)
Returns the 1-based position where an object is on this stack. |
Uses of Object in javax.microedition.io |
Subclasses of Object in javax.microedition.io | |
class |
ConnectionNotFoundException
This class is used to signal that a connection target cannot be found. |
class |
Connector
This class is factory for creating new Connection objects. |
class |
PushRegistry
The PushRegistry maintains a list of inbound
connections. |
Uses of Object in javax.microedition.lcdui |
Subclasses of Object in javax.microedition.lcdui | |
class |
Alert
An alert is a screen that shows data to the user and waits for a certain period of time before proceeding to the next Displayable . |
class |
AlertType
The AlertType provides an indication of the nature
of alerts. |
class |
Canvas
The Canvas class is a base class for writing
applications that need to
handle low-level events and to issue graphics calls for drawing to the
display. |
class |
ChoiceGroup
A ChoiceGroup is a group of selectable elements intended to be
placed within a
Form . |
class |
Command
The Command class is a construct that encapsulates
the semantic information of an action. |
class |
CustomItem
A CustomItem is customizable by subclassing to introduce new visual and interactive elements into Forms . |
class |
DateField
A DateField is an editable component for presenting
date and time (calendar)
information that may be placed into a Form . |
class |
Display
Display represents the manager of the display and
input devices of the
system. |
class |
Displayable
An object that has the capability of being placed on the display. |
class |
Font
The Font class represents fonts and font
metrics. |
class |
Form
A Form is a Screen that contains
an arbitrary mixture of items: images,
read-only text fields, editable text fields, editable date fields, gauges,
choice groups, and custom items. |
class |
Gauge
Implements a graphical display, such as a bar graph, of an integer value. |
class |
Graphics
Provides simple 2D geometric rendering capability. |
class |
Image
The Image class is used to hold graphical image
data. |
class |
ImageItem
An item that can contain an image. |
class |
Item
A superclass for components that can be added to a Form . |
class |
List
A Screen containing list of choices. |
class |
Screen
The common superclass of all high-level user interface classes. |
class |
Spacer
A blank, non-interactive item that has a settable minimum size. |
class |
StringItem
An item that can contain a string. |
class |
TextBox
The TextBox class is a Screen that allows
the user to enter and edit
text. |
class |
TextField
A TextField is an editable text component that may be
placed into
a Form . |
class |
Ticker
Implements a "ticker-tape", a piece of text that runs continuously across the display. |
Uses of Object in javax.microedition.lcdui.game |
Subclasses of Object in javax.microedition.lcdui.game | |
class |
GameCanvas
The GameCanvas class provides the basis for a game user interface. |
class |
Layer
A Layer is an abstract class representing a visual element of a game. |
class |
LayerManager
The LayerManager manages a series of Layers. |
class |
Sprite
A Sprite is a basic visual element that can be rendered with one of several frames stored in an Image; different frames can be shown to animate the Sprite. |
class |
TiledLayer
A TiledLayer is a visual element composed of a grid of cells that can be filled with a set of tile images. |
Uses of Object in javax.microedition.media |
Subclasses of Object in javax.microedition.media | |
class |
Manager
Manager is the access point for obtaining
system dependent resources such as Players
for multimedia processing. |
class |
MediaException
A MediaException indicates an unexpected error
condition in a method. |
Methods in javax.microedition.media with parameters of type Object | |
void |
PlayerListener.playerUpdate(Player player,
String event,
Object eventData)
This method is called to deliver an event to a registered listener when a Player event is observed. |
Uses of Object in javax.microedition.midlet |
Subclasses of Object in javax.microedition.midlet | |
class |
MIDlet
A MIDlet is a MID Profile application. |
class |
MIDletStateChangeException
Signals that a requested MIDlet state change failed. |
Uses of Object in javax.microedition.pki |
Subclasses of Object in javax.microedition.pki | |
class |
CertificateException
The CertificateException encapsulates an error that
occurred while a Certificate is being used. |
Uses of Object in javax.microedition.rms |
Subclasses of Object in javax.microedition.rms | |
class |
InvalidRecordIDException
Thrown to indicate an operation could not be completed because the record ID was invalid. |
class |
RecordStore
A class representing a record store. |
class |
RecordStoreException
Thrown to indicate a general exception occurred in a record store operation. |
class |
RecordStoreFullException
Thrown to indicate an operation could not be completed because the record store system storage is full. |
class |
RecordStoreNotFoundException
Thrown to indicate an operation could not be completed because the record store could not be found. |
class |
RecordStoreNotOpenException
Thrown to indicate that an operation was attempted on a closed record store. |
|
MID Profile | |||||||||
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