A B C D E F G H I J K L M N O P R S T U V W Y

R

Random - Class in java.util

An instance of this class is used to generate a stream of pseudorandom numbers.

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: public Random(long seed) { setSeed(seed); } Used by method next to hold the state of the pseudorandom number generator.

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

Reads the next byte of data from this input stream.

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

Reads up to len bytes of data into an array of bytes from this input stream.

read() - Method in class java.io.DataInputStream

Reads the next byte of data from this input stream.

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

See the general contract of the read method of DataInput.

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

Reads up to len bytes of data from this input stream into an array of bytes.

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

Reads the next byte of data from the input stream.

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

Reads some number of bytes from the input stream and stores them into the buffer array b.

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

Reads up to len bytes of data from the input stream into an array of bytes.

read(char[], int, int) - Method in class java.io.InputStreamReader

Read characters into a portion of an array.

read() - Method in class java.io.Reader

Read a single character.

read(char[]) - Method in class java.io.Reader

Read characters into an array.

read(char[], int, int) - Method in class java.io.Reader

Read characters into a portion of an array.

READ - Static variable in class javax.microedition.io.Connector

Access mode READ.

READ_WRITE - Static variable in class javax.microedition.io.Connector

Access mode READ/WRITE

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

Reads one input byte and returns true if that byte is nonzero, false if that byte is zero.

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

See the general contract of the readBoolean method of DataInput.

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

Reads and returns one input byte.

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

See the general contract of the readByte method of DataInput.

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

Reads an input char and returns the char value.

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

See the general contract of the readChar method of DataInput.

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

Reads eight input bytes and returns a double value.

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

See the general contract of the readDouble method of DataInput.

Reader - Class in java.io

Abstract class for reading character streams.

Reader() - Constructor for class java.io.Reader

Create a new character-stream reader whose critical sections will synchronize on the reader itself.

Reader(Object) - Constructor for class java.io.Reader

Create a new character-stream reader whose critical sections will synchronize on the given object.

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

Reads four input bytes and returns a float value.

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

See the general contract of the readFloat method of DataInput.

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

Reads some bytes from an input stream and stores them into the buffer array b.

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

Reads len bytes from an input stream.

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

See the general contract of the readFully method of DataInput.

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

See the general contract of the readFully method of DataInput.

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

Reads four input bytes and returns an int value.

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

See the general contract of the readInt method of DataInput.

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

Reads eight input bytes and returns a long value.

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

See the general contract of the readLong method of DataInput.

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

Reads two input bytes and returns a short value.

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

See the general contract of the readShort method of DataInput.

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

Reads one input byte, zero-extends it to type int, and returns the result, which is therefore in the range 0 through 255.

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

See the general contract of the readUnsignedByte method of DataInput.

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

Reads two input bytes, zero-extends it to type int, and returns an int value in the range 0 through 65535.

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

See the general contract of the readUnsignedShort method of DataInput.

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

Reads in a string that has been encoded using a modified UTF-8 format.

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

See the general contract of the readUTF method of DataInput.

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

Reads from the stream in a representation of a Unicode character string encoded in Java modified UTF-8 format; this string of characters is then returned as a String.

ready() - Method in class java.io.InputStreamReader

Tell whether this stream is ready to be read.

ready() - Method in class java.io.Reader

Tell whether this stream is ready to be read.

receive(Datagram) - Method in interface javax.microedition.io.DatagramConnection

Receive a datagram.

Reference - Class in java.lang.ref

Abstract base class for reference objects.

Reference() - Constructor for class java.lang.ref.Reference

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

Tests if two string regions are equal.

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

Rehashes the contents of the hashtable into a hashtable with a larger capacity.

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

Removes the key (and its corresponding value) from this hashtable.

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

Removes all components from this vector and sets its size to zero.

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

Removes the first occurrence of the argument from this vector.

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

Deletes the component at the specified index.

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

Returns a new string resulting from replacing all occurrences of oldChar in this string with newChar.

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

Resets the buffer to the marked position.

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

Resets the count field of this byte array output stream to zero, so that all currently accumulated output in the output stream is discarded.

reset() - Method in class java.io.DataInputStream

Repositions this stream to the position at the time the mark method was last called on this input stream.

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

Repositions this stream to the position at the time the mark method was last called on this input stream.

reset() - Method in class java.io.InputStreamReader

Reset the stream.

reset() - Method in class java.io.Reader

Reset the stream.

reset() - Method in interface javax.microedition.io.Datagram

Zero the read/write pointer as well as the offset and length state variables.

reverse() - Method in class java.lang.StringBuffer

The character sequence contained in this string buffer is replaced by the reverse of the sequence.

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

When an object implementing interface Runnable is used to create a thread, starting the thread causes the object's run method to be called in that separately executing thread.

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

If this thread was constructed using a separate Runnable run object, then that Runnable object's run method is called; otherwise, this method does nothing and returns.

Runnable - Interface in java.lang

The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.

Runtime - Class in java.lang

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.

RuntimeException - Exception in java.lang

RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.

RuntimeException() - Constructor for exception java.lang.RuntimeException

Constructs a RuntimeException with no detail message.

RuntimeException(String) - Constructor for exception java.lang.RuntimeException

Constructs a RuntimeException with the specified detail message.