扩展的新类:

CommConnection类(2.0)
CustomItem类(2.0)
GameCanvas类(2.0)
PushRegistry类(2.0)
Layer类(2.0)
LayerManager类(2.0)
HttpsConnection类(2.0)
SecureConnection类(2.0)
SecurityInfo类(2.0)
ServerSocketConnection类(2.0)
SocketConnection类(2.0)
Sprite类(2.0)
TiledLayer类(2.0)
UDPDatagramConnection类(2.0)

相同类中2.0的方法

choice类

deleteall()
setFitPolicy(int fitPolicy)
getFitPolicy()
setFont(int elementNum,Font font)
getFont(int elementNum)

choiceGroup类

setFitPolicy(int fitPolicy)
getFitPolicy()
setFont(int elementNum,Font font)
getFont(int elementNum)

Command类

Command(String shortLabel,String longLabel,int commandType,int priority)(构造方法)
getLongLabel()

Display类

int getColor(int colorSpecifier)
int getBorderStyle(boolean highlighted)
int numAlphaLevels()
int numAlphaLevels()
setCurrentItem(Item item)
callSerially(Runnable r)
boolean vibrate(int duration)
int getBestImageWidth(int imageType)
int getBestImageHeight(int imageType)

Displayable类

String getTitle()
setTitle(String s)
Ticker getTicker()
setTicker(Ticker ticker)
sizeChanged(int w,int h)

Gauge类

setLayout(int layout)
addCommand(Command cmd)
setItemCommandListener(ItemCommandListener l)
setPreferredSize(int width,int height)
setDefaultCommand(Command cmd)

Image类

static Image createImage(InputStream stream)throws IOException
static Image createRGBImage(int[] rgb,int width,int height,boolean processAlpha)
getRGB(int[] rgbData,int offset,int scanlength,int x,int y,int width,int height)

ImageItem类

int getAppearanceMode()
ImageItem(String label,Image image,int layout,String altText,int appearanceMode)(构造方法)

List类

setTicker(Ticker ticker)
setTitle(String s)
removeCommand(Command cmd)
setSelectCommand(Command command)
setFitPolicy(int fitPolicy)
int getFitPolicy()

MIDlet类

final boolean platformRequest(String URL)throws ConnectionNotFoundException
final int checkPermission(String permission)

RecordStore类

static RecordStore openRecordStore(String recordStoreName,boolean createIfNecessary,int authmode,boolean writable)
                                   throws RecordStoreException,
                                          RecordStoreFullException,
                                          RecordStoreNotFoundException
static RecordStore openRecordStore(String recordStoreName,String vendorName,String suiteName)
                                   throws RecordStoreException,
                                          RecordStoreNotFoundException
setMode(int authmode,boolean writable) throws RecordStoreException

StringItem类

StringItem(String label,String text,int appearanceMode)(构造方法)

TextBox类

setInitialInputMode(String characterSubset)
setTicker(Ticker ticker)

TextField类

setInitialInputMode(String characterSubset)