R

random(). Static method in class java.lang.Math

Generates a random number between 0.0 and 1.0.

Random(). Constructor for class java.util.Random

Creates a new random number generator.

Random(long). Constructor for class java.util.Random

Creates a new random number generator using a single long seed.

RandomAccessFile(File, String). Constructor for class java.io.RandomAccessFile

Creates a RandomAccessFile from a specified File object and mode ("r" or "rw").

RandomAccessFile(String, String). Constructor for class java.io.RandomAccessFile

Creates a RandomAccessFile with the specified system dependent file name and the specified mode.

RANDOMPIXELORDER. Static variable in interface java.awt.image.ImageConsumer

The pixels will be delivered in a random order.

read(). Method in class java.io.BufferedInputStream

Reads a byte of data.

read(). Method in class java.io.ByteArrayInputStream

Reads a byte of data.

read(). Method in class java.io.FileInputStream

Reads a byte of data.

read(). Method in class java.io.FilterInputStream

Reads a byte.

read(). Method in class java.io.InputStream

Reads a byte of data.

read(). Method in class java.io.LineNumberInputStream

Reads a byte of data.

read(). Method in class java.io.PipedInputStream

Reads a byte of data.

read(). Method in class java.io.PushbackInputStream

Reads a byte of data.

read(). Method in class java.io.RandomAccessFile

Reads a byte of data.

read(). Method in class java.io.SequenceInputStream

Reads a stream, and upon reaching an EOF, flips to the next stream.

read(). Method in class java.io.StringBufferInputStream

Reads a byte of data.

read(byte[]). Method in class java.io.DataInputStream

Reads data into an array of bytes.

read(byte[]). Method in class java.io.FileInputStream

Reads data into an array of bytes.

read(byte[]). Method in class java.io.FilterInputStream

Reads into an array of bytes.

read(byte[]). Method in class java.io.InputStream

Reads into an array of bytes.

read(byte[]). Method in class java.io.RandomAccessFile

Reads data into an array of bytes.

read(byte[], int, int). Method in class java.io.BufferedInputStream

Reads into an array of bytes.

read(byte[], int, int). Method in class java.io.ByteArrayInputStream

Reads into an array of bytes.

read(byte[], int, int). Method in class java.io.DataInputStream

Reads data into an array of bytes.

read(byte[], int, int). Method in class java.io.FileInputStream

Reads data into an array of bytes.

read(byte[], int, int). Method in class java.io.FilterInputStream

Reads into an array of bytes.

read(byte[], int, int). Method in class java.io.InputStream

Reads into an array of bytes.

read(byte[], int, int). Method in class java.io.LineNumberInputStream

Reads into an array of bytes.

read(byte[], int, int). Method in class java.io.PipedInputStream

Reads into an array of bytes.

read(byte[], int, int). Method in class java.io.PushbackInputStream

Reads into an array of bytes.

read(byte[], int, int). Method in class java.io.RandomAccessFile

Reads a sub array as a sequence of bytes.

read(byte[], int, int). Method in class java.io.SequenceInputStream

Reads data into an array of bytes, and upon reaching an EOF, flips to the next stream.

read(byte[], int, int). Method in class java.io.StringBufferInputStream

Reads into an array of bytes.

readBoolean(). Method in interface java.io.DataInput

Reads in a boolean.

readBoolean(). Method in class java.io.DataInputStream

Reads a boolean.

readBoolean(). Method in class java.io.RandomAccessFile

Reads a boolean.

readByte(). Method in interface java.io.DataInput

Reads an 8 bit byte.

readByte(). Method in class java.io.DataInputStream

Reads an 8 bit byte.

readByte(). Method in class java.io.RandomAccessFile

Reads a byte.

readChar(). Method in interface java.io.DataInput

Reads a 16 bit char.

readChar(). Method in class java.io.DataInputStream

Reads a 16 bit char.

readChar(). Method in class java.io.RandomAccessFile

Reads a 16 bit char.

readDouble(). Method in interface java.io.DataInput

Reads a 64 bit double.

readDouble(). Method in class java.io.DataInputStream

Reads a 64 bit double.

readDouble(). Method in class java.io.RandomAccessFile

Reads a 64 bit double.

readFloat(). Method in interface java.io.DataInput

Reads a 32 bit float.

readFloat(). Method in class java.io.DataInputStream

Reads a 32 bit float.

readFloat(). Method in class java.io.RandomAccessFile

Reads a 32 bit float.

readFully(byte[]). Method in interface java.io.DataInput

Reads bytes, blocking until all bytes are read.

readFully(byte[]). Method in class java.io.DataInputStream

Reads bytes, blocking until all bytes are read.

readFully(byte[]). Method in class java.io.RandomAccessFile

Reads bytes, blocking until all bytes are read.

readFully(byte[], int, int). Method in interface java.io.DataInput

Reads bytes, blocking until all bytes are read.

readFully(byte[], int, int). Method in class java.io.DataInputStream

Reads bytes, blocking until all bytes are read.

readFully(byte[], int, int). Method in class java.io.RandomAccessFile

Reads bytes, blocking until all bytes are read.

readInt(). Method in interface java.io.DataInput

Reads a 32 bit int.

readInt(). Method in class java.io.DataInputStream

Reads a 32 bit int.

readInt(). Method in class java.io.RandomAccessFile

Reads a 32 bit int.

readLine(). Method in interface java.io.DataInput

readLine(). Method in class java.io.DataInputStream

Reads in a line that has been terminated by a \n, \r, \r\n or EOF.

readLine(). Method in class java.io.RandomAccessFile

Reads a line terminated by a '\n' or EOF.

readLong(). Method in interface java.io.DataInput

Reads a 64 bit long.

readLong(). Method in class java.io.DataInputStream

Reads a 64 bit long.

readLong(). Method in class java.io.RandomAccessFile

Reads a 64 bit long.

readShort(). Method in interface java.io.DataInput

Reads a 16 bit short.

readShort(). Method in class java.io.DataInputStream

Reads a 16 bit short.

readShort(). Method in class java.io.RandomAccessFile

Reads 16 bit short.

readUnsignedByte(). Method in interface java.io.DataInput

Reads an unsigned 8 bit byte.

readUnsignedByte(). Method in class java.io.DataInputStream

Reads an unsigned 8 bit byte.

readUnsignedByte(). Method in class java.io.RandomAccessFile

Reads an unsigned 8 bit byte.

readUnsignedShort(). Method in interface java.io.DataInput

Reads an unsigned 16 bit short.

readUnsignedShort(). Method in class java.io.DataInputStream

Reads 16 bit short.

readUnsignedShort(). Method in class java.io.RandomAccessFile

Reads 16 bit short.

readUTF(). Method in interface java.io.DataInput

readUTF(). Method in class java.io.DataInputStream

Reads a UTF format String.

readUTF(). Method in class java.io.RandomAccessFile

Reads a UTF formatted String.

readUTF(DataInput). Static method in class java.io.DataInputStream

Reads a UTF format String from the given input stream.

receive(DatagramPacket). Method in class java.net.DatagramSocket

Receives datagram packet.

Rectangle(). Constructor for class java.awt.Rectangle

Constructs a new rectangle.

Rectangle(Dimension). Constructor for class java.awt.Rectangle

Constructs a rectangle and initializes it to the specified width and height.

Rectangle(int, int). Constructor for class java.awt.Rectangle

Constructs a rectangle and initializes it with the specified width and height parameters.

Rectangle(int, int, int, int). Constructor for class java.awt.Rectangle

Constructs and initializes a rectangle with the specified parameters.

Rectangle(Point). Constructor for class java.awt.Rectangle

Constructs a rectangle and initializes it to the specified point.

Rectangle(Point, Dimension). Constructor for class java.awt.Rectangle

Constructs a rectangle and initializes it to a specified point and dimension.

red. Static variable in class java.awt.Color

The color red.

regionMatches(boolean, int, String, int, int). Method in class java.lang.String

Determines whether a region of this String matches the specified region of the specified String.

regionMatches(int, String, int, int). Method in class java.lang.String

Determines whether a region of this String matches the specified region of the specified String.

rehash(). Method in class java.util.Hashtable

Rehashes the content of the table into a bigger table.

RELATIVE. Static variable in class java.awt.GridBagConstraints

REMAINDER. Static variable in class java.awt.GridBagConstraints

RemoteDebugger(String, DebuggerCallback, boolean). Constructor for class sun.tools.debug.RemoteDebugger

Create a remote debugger, and connect it to a new client interpreter.

RemoteDebugger(String, String, DebuggerCallback, boolean). Constructor for class sun.tools.debug.RemoteDebugger

Create a remote debugger, connecting it with a running Java interpreter.

To connect to a running interpreter, it must be started with the "-debug" option, whereupon it will print out the password for that debugging session.

RemoteInt(int). Constructor for class sun.tools.debug.RemoteInt

remove(Component). Method in class java.awt.Container

Removes the specified component from this container.

remove(int). Method in class java.awt.Menu

Deletes the item from this menu at the specified index.

remove(int). Method in class java.awt.MenuBar

Removes the menu located at the specified index from the menu bar.

remove(MenuComponent). Method in class java.awt.Frame

Removes the specified menu bar from this Frame.

remove(MenuComponent). Method in class java.awt.Menu

Deletes the specified item from this menu.

remove(MenuComponent). Method in class java.awt.MenuBar

Removes the specified menu from the menu bar.

remove(MenuComponent). Method in interface java.awt.MenuContainer

remove(Object). Method in class java.util.Dictionary

Removes the element corresponding to the key.

remove(Object). Method in class java.util.Hashtable

Removes the element corresponding to the key.

removeAll(). Method in class java.awt.Container

Removes all the components from this container.

removeAllElements(). Method in class java.util.Vector

Removes all elements of the vector.

removeConsumer(ImageConsumer). Method in class java.awt.image.FilteredImageSource

Removes an ImageConsumer from the list of consumers interested in data for this image.

removeConsumer(ImageConsumer). Method in interface java.awt.image.ImageProducer

This method removes the given ImageConsumer object from the list of consumers currently registered to receive image data.

removeConsumer(ImageConsumer). Method in class java.awt.image.MemoryImageSource

Remove an ImageConsumer from the list of consumers interested in data for this image.

removeElement(Object). Method in class java.util.Vector

Removes the element from the vector.

removeElementAt(int). Method in class java.util.Vector

Deletes the element at the specified index.

removeLayoutComponent(Component). Method in class java.awt.BorderLayout

Removes the specified component from the layout.

removeLayoutComponent(Component). Method in class java.awt.CardLayout

Removes the specified component from the layout.

removeLayoutComponent(Component). Method in class java.awt.FlowLayout

Removes the specified component from the layout.

removeLayoutComponent(Component). Method in class java.awt.GridBagLayout

Removes the specified component from the layout.

removeLayoutComponent(Component). Method in class java.awt.GridLayout

Removes the specified component from the layout.

removeLayoutComponent(Component). Method in interface java.awt.LayoutManager

Removes the specified component from the layout.

removeNotify(). Method in class java.awt.Component

Notifies the Component to destroy the peer.

removeNotify(). Method in class java.awt.Container

Notifies the container to remove its peer.

removeNotify(). Method in class java.awt.List

Removes the peer for this list.

removeNotify(). Method in class java.awt.Menu

Removes the menu's peer.

removeNotify(). Method in class java.awt.MenuBar

Removes the menu bar's peer.

removeNotify(). Method in class java.awt.MenuComponent

Removes the menu component's peer.

removeNotify(). Method in class java.awt.TextComponent

Removes the TextComponent's peer.

renameTo(File). Method in class java.io.File

Renames a file and returns a boolean indicating whether or not this method was successful.

repaint(). Method in class java.awt.Component

Repaints the component.

repaint(int, int, int, int). Method in class java.awt.Component

Repaints part of the component.

repaint(long). Method in class java.awt.Component

Repaints the component.

repaint(long, int, int, int, int). Method in class java.awt.Component

Repaints part of the component.

repaint(long, int, int, int, int). Method in interface java.awt.peer.ComponentPeer

replace(char, char). Method in class java.lang.String

Converts this String by replacing all occurences of oldChar with newChar.

replaceItem(String, int). Method in class java.awt.List

Replaces the item at the given index.

replaceText(String, int, int). Method in class java.awt.TextArea

Replaces text from the indicated start to end position with the new text specified.

replaceText(String, int, int). Method in interface java.awt.peer.TextAreaPeer

requestFocus(). Method in class java.awt.Component

Requests the input focus.

requestFocus(). Method in interface java.awt.peer.ComponentPeer

requestTopDownLeftRightResend(ImageConsumer). Method in class java.awt.image.FilteredImageSource

Requests that a given ImageConsumer have the image data delivered one more time in top-down, left-right order.

requestTopDownLeftRightResend(ImageConsumer). Method in interface java.awt.image.ImageProducer

This method is used by an ImageConsumer to request that the ImageProducer attempt to resend the image data one more time in TOPDOWNLEFTRIGHT order so that higher quality conversion algorithms which depend on receiving pixels in order can be used to produce a better output version of the image.

requestTopDownLeftRightResend(ImageConsumer). Method in class java.awt.image.MemoryImageSource

Requests that a given ImageConsumer have the image data delivered one more time in top-down, left-right order.

resendTopDownLeftRight(ImageProducer). Method in class java.awt.image.ImageFilter

Responds to a request for a TopDownLeftRight (TDLR) ordered resend of the pixel data from an ImageConsumer.

reset(). Method in class java.io.BufferedInputStream

Repositions the stream to the last marked position.

reset(). Method in class java.io.ByteArrayInputStream

Resets the buffer to the beginning.

reset(). Method in class java.io.ByteArrayOutputStream

Resets the buffer so that you can use it again without throwing away the already allocated buffer.

reset(). Method in class java.io.FilterInputStream

Repositions the stream to the last marked position.

reset(). Method in class java.io.InputStream

Repositions the stream to the last marked position.

reset(). Method in class java.io.LineNumberInputStream

Repositions the stream to the last marked position.

reset(). Method in class java.io.StringBufferInputStream

Resets the buffer to the beginning.

resetCurrentFrameIndex(). Method in class sun.tools.debug.RemoteThread

Reset the current stackframe

resetSyntax(). Method in class java.io.StreamTokenizer

Resets the syntax table so that all characters are special.

reshape(int, int, int, int). Method in class java.awt.Component

Reshapes the Component to the specified bounding box.

reshape(int, int, int, int). Method in interface java.awt.peer.ComponentPeer

reshape(int, int, int, int). Method in class java.awt.Rectangle

Reshapes the rectangle.

resize(Dimension). Method in class java.applet.Applet

Requests thatthe applet be resized.

resize(Dimension). Method in class java.awt.Component

Resizes the Component to the specified dimension.

resize(int, int). Method in class java.applet.Applet

Requests that the applet be resized.

resize(int, int). Method in class java.awt.Component

Resizes the Component to the specified width and height.

resize(int, int). Method in class java.awt.Rectangle

Resizes the rectangle.

resolveClass(Class). Method in class java.lang.ClassLoader

Resolves classes referenced by this Class.

resume(). Method in class sun.tools.debug.RemoteThread

Resume execution of this thread.

resume(). Method in class java.lang.Thread

Resumes this Thread execution.

resume(). Method in class java.lang.ThreadGroup

Resumes all the Threads in this Thread group and all of its sub groups.

RGBImageFilter(). Constructor for class java.awt.image.RGBImageFilter

RGBtoHSB(int, int, int, float[]). Static method in class java.awt.Color

Returns the HSB values corresponding to the color defined by the red, green, and blue components.

RIGHT. Static variable in class java.awt.Event

The right arrow key.

RIGHT. Static variable in class java.awt.FlowLayout

The right alignment variable.

right. Variable in class java.awt.Insets

The inset from the right.

RIGHT. Static variable in class java.awt.Label

The right alignment.

rint(double). Static method in class java.lang.Math

Converts a double value into an integral value in double format.

round(double). Static method in class java.lang.Math

Rounds off a double value by first adding 0.5 to it and then returning the largest integer that is less than or equal to this new value.

round(float). Static method in class java.lang.Math

Rounds off a float value by first adding 0.5 to it and then returning the largest integer that is less than or equal to this new value.

rowHeights. Variable in class java.awt.GridBagLayout

rowWeights. Variable in class java.awt.GridBagLayout

run(). Method in interface java.lang.Runnable

The method that is executed when a Runnable object is activated.

run(). Method in class java.lang.Thread

The actual body of this Thread.

run(int, String[]). Method in class sun.tools.debug.RemoteDebugger

Load and run a runnable Java class, with any optional parameters.

runFinalization(). Method in class java.lang.Runtime

Runs the finalization methods of any objects pending finalization.

runFinalization(). Static method in class java.lang.System

Runs the finalization methods of any objects pending finalization.

RuntimeException(). Constructor for class java.lang.RuntimeException

Constructs a RuntimeException with no detail message.

RuntimeException(String). Constructor for class java.lang.RuntimeException

Constructs a RuntimeException with the specified detail message.