Package | Description |
---|---|
java.io |
Provides classes for input and output through data streams.
|
java.lang |
Provides classes that are fundamental to the Java programming
language.
|
java.util |
Contains the collection classes, and the date and time facilities.
|
javax.microedition.io |
Classes for the Generic Connection framework.
|
Modifier and Type | Method and Description |
---|---|
String |
DataInputStream.readUTF()
See the general contract of the
readUTF
method of DataInput . |
String |
DataInput.readUTF()
Reads in a string that has been encoded using a modified UTF-8 format.
|
static String |
DataInputStream.readUTF(DataInput in)
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 . |
String |
ByteArrayOutputStream.toString()
Converts the buffer's contents into a string, translating bytes into
characters according to the platform's default character encoding.
|
Modifier and Type | Method and Description |
---|---|
void |
PrintStream.print(String s)
Print a string.
|
void |
PrintStream.println(String x)
Print a String and then terminate the line.
|
void |
Writer.write(String str)
Write a string.
|
void |
Writer.write(String str,
int off,
int len)
Write a portion of a string.
|
void |
OutputStreamWriter.write(String str,
int off,
int len)
Write a portion of a string.
|
void |
DataOutputStream.writeChars(String s)
Writes a string to the underlying output stream as a sequence of
characters.
|
void |
DataOutput.writeChars(String s)
Writes every character in the string
s ,
to the output stream, in order,
two bytes per character. |
void |
DataOutputStream.writeUTF(String str)
Writes a string to the underlying output stream using UTF-8
encoding in a machine-independent manner.
|
void |
DataOutput.writeUTF(String s)
Writes two bytes of length information
to the output stream, followed
by the Java modified UTF representation
of every character in the string
s . |
Constructor and Description |
---|
EOFException(String s)
Constructs an
EOFException with the specified detail
message. |
InputStreamReader(InputStream is,
String enc)
Create an InputStreamReader that uses the named character encoding.
|
InterruptedIOException(String s)
Constructs an
InterruptedIOException with the
specified detail message. |
IOException(String s)
Constructs an
IOException with the specified detail
message. |
OutputStreamWriter(OutputStream os,
String enc)
Create an OutputStreamWriter that uses the named character encoding.
|
UnsupportedEncodingException(String s)
Constructs an UnsupportedEncodingException with a detail message.
|
UTFDataFormatException(String s)
Constructs a
UTFDataFormatException with the
specified detail message. |
Modifier and Type | Method and Description |
---|---|
String |
String.concat(String str)
Concatenates the specified string to the end of this string.
|
String |
Throwable.getMessage()
Returns the error message string of this
Throwable object. |
String |
Thread.getName()
Returns this thread's name.
|
String |
Class.getName()
Returns the fully-qualified name of the entity (class, interface, array
class, primitive type, or void) represented by this
Class
object, as a String . |
static String |
System.getProperty(String key)
Gets the system property indicated by the specified key.
|
String |
String.intern()
Returns a canonical representation for the string object.
|
String |
String.replace(char oldChar,
char newChar)
Returns a new string resulting from replacing all occurrences of
oldChar in this string with newChar . |
String |
String.substring(int beginIndex)
Returns a new string that is a substring of this string.
|
String |
String.substring(int beginIndex,
int endIndex)
Returns a new string that is a substring of this string.
|
static String |
Integer.toBinaryString(int i)
Creates a string representation of the integer argument as an
unsigned integer in base 2.
|
static String |
Integer.toHexString(int i)
Creates a string representation of the integer argument as an
unsigned integer in base 16.
|
String |
String.toLowerCase()
Converts all of the characters in this
String to lower case. |
static String |
Integer.toOctalString(int i)
Creates a string representation of the integer argument as an
unsigned integer in base 8.
|
String |
Throwable.toString()
Returns a short description of this
Throwable object. |
String |
Thread.toString()
Returns a string representation of this thread, including the
thread's name and priority.
|
String |
StringBuffer.toString()
Converts to a string representing the data in this string buffer.
|
String |
String.toString()
This object (which is already a string!)
|
String |
Short.toString()
Returns a String object representing this Short's value.
|
String |
Object.toString()
Returns a string representation of the object.
|
String |
Long.toString()
Returns a String object representing this Long's value.
|
String |
Integer.toString()
Returns a String object representing this Integer's value.
|
String |
Float.toString()
Returns a String representation of this Float object.
|
String |
Double.toString()
Returns a String representation of this Double object.
|
String |
Class.toString()
Converts the object to a string.
|
String |
Character.toString()
Returns a String object representing this character's value.
|
String |
Byte.toString()
Returns a String object representing this Byte's value.
|
String |
Boolean.toString()
Returns a String object representing this Boolean's value.
|
static String |
Double.toString(double d)
Creates a string representation of the
double
argument. |
static String |
Float.toString(float f)
Returns a String representation for the specified float value.
|
static String |
Integer.toString(int i)
Returns a new String object representing the specified integer.
|
static String |
Integer.toString(int i,
int radix)
Creates a string representation of the first argument in the
radix specified by the second argument.
|
static String |
Long.toString(long i)
Returns a new String object representing the specified integer.
|
static String |
Long.toString(long i,
int radix)
Creates a string representation of the first argument in the
radix specified by the second argument.
|
String |
String.toUpperCase()
Converts all of the characters in this
String to upper case. |
String |
String.trim()
Removes white space from both ends of this string.
|
static String |
String.valueOf(boolean b)
Returns the string representation of the
boolean argument. |
static String |
String.valueOf(char c)
Returns the string representation of the
char
argument. |
static String |
String.valueOf(char[] data)
Returns the string representation of the
char array
argument. |
static String |
String.valueOf(char[] data,
int offset,
int count)
Returns the string representation of a specific subarray of the
char array argument. |
static String |
String.valueOf(double d)
Returns the string representation of the
double argument. |
static String |
String.valueOf(float f)
Returns the string representation of the
float argument. |
static String |
String.valueOf(int i)
Returns the string representation of the
int argument. |
static String |
String.valueOf(long l)
Returns the string representation of the
long argument. |
static String |
String.valueOf(Object obj)
Returns the string representation of the
Object argument. |
Modifier and Type | Method and Description |
---|---|
StringBuffer |
StringBuffer.append(String str)
Appends the string to this string buffer.
|
int |
String.compareTo(String anotherString)
Compares two strings lexicographically.
|
String |
String.concat(String str)
Concatenates the specified string to the end of this string.
|
boolean |
String.endsWith(String suffix)
Tests if this string ends with the specified suffix.
|
boolean |
String.equalsIgnoreCase(String anotherString)
Compares this
String to another String ,
ignoring case considerations. |
static Class |
Class.forName(String className)
Returns the
Class object associated with the class
with the given string name. |
byte[] |
String.getBytes(String enc)
Convert this
String into bytes according to the specified
character encoding, storing the result into a new byte array. |
static String |
System.getProperty(String key)
Gets the system property indicated by the specified key.
|
InputStream |
Class.getResourceAsStream(String name)
Finds a resource with a given name in the application's
JAR file.
|
int |
String.indexOf(String str)
Returns the index within this string of the first occurrence of the
specified substring.
|
int |
String.indexOf(String str,
int fromIndex)
Returns the index within this string of the first occurrence of the
specified substring, starting at the specified index.
|
StringBuffer |
StringBuffer.insert(int offset,
String str)
Inserts the string into this string buffer.
|
static byte |
Byte.parseByte(String s)
Assuming the specified String represents a byte, returns
that byte's value.
|
static byte |
Byte.parseByte(String s,
int radix)
Assuming the specified String represents a byte, returns
that byte's value.
|
static double |
Double.parseDouble(String s)
Returns a new double initialized to the value represented by the
specified
String , as performed by the valueOf
method of class Double . |
static float |
Float.parseFloat(String s)
Returns a new float initialized to the value represented by the
specified
String . |
static int |
Integer.parseInt(String s)
Parses the string argument as a signed decimal integer.
|
static int |
Integer.parseInt(String s,
int radix)
Parses the string argument as a signed integer in the radix
specified by the second argument.
|
static long |
Long.parseLong(String s)
Parses the string argument as a signed decimal
long . |
static long |
Long.parseLong(String s,
int radix)
Parses the string argument as a signed
long in the
radix specified by the second argument. |
static short |
Short.parseShort(String s)
Assuming the specified String represents a short, returns
that short's value.
|
static short |
Short.parseShort(String s,
int radix)
Assuming the specified String represents a short, returns
that short's value in the radix specified by the second
argument.
|
boolean |
String.regionMatches(boolean ignoreCase,
int toffset,
String other,
int ooffset,
int len)
Tests if two string regions are equal.
|
boolean |
String.startsWith(String prefix)
Tests if this string starts with the specified prefix.
|
boolean |
String.startsWith(String prefix,
int toffset)
Tests if this string starts with the specified prefix beginning
at the specified index.
|
static Integer |
Integer.valueOf(String s)
Returns a new Integer object initialized to the value of the
specified String.
|
static Float |
Float.valueOf(String s)
Returns the floating point value represented by the specified String.
|
static Double |
Double.valueOf(String s)
Returns a new
Double object initialized to the value
represented by the specified string. |
static Integer |
Integer.valueOf(String s,
int radix)
Returns a new Integer object initialized to the value of the
specified String.
|
Constructor and Description |
---|
ArithmeticException(String s)
Constructs an
ArithmeticException with the specified
detail message. |
ArrayIndexOutOfBoundsException(String s)
Constructs an
ArrayIndexOutOfBoundsException class
with the specified detail message. |
ArrayStoreException(String s)
Constructs an
ArrayStoreException with the specified
detail message. |
ClassCastException(String s)
Constructs a
ClassCastException with the specified
detail message. |
ClassNotFoundException(String s)
Constructs a
ClassNotFoundException with the
specified detail message. |
Error(String s)
Constructs an Error with the specified detail message.
|
Exception(String s)
Constructs an
Exception with the specified detail message. |
IllegalAccessException(String s)
Constructs an
IllegalAccessException with a detail message. |
IllegalArgumentException(String s)
Constructs an
IllegalArgumentException with the
specified detail message. |
IllegalMonitorStateException(String s)
Constructs an
IllegalMonitorStateException with the
specified detail message. |
IllegalThreadStateException(String s)
Constructs an
IllegalThreadStateException with the
specified detail message. |
IndexOutOfBoundsException(String s)
Constructs an
IndexOutOfBoundsException with the
specified detail message. |
InstantiationException(String s)
Constructs an
InstantiationException with the
specified detail message. |
InterruptedException(String s)
Constructs an
InterruptedException with the
specified detail message. |
NegativeArraySizeException(String s)
Constructs a
NegativeArraySizeException with the
specified detail message. |
NoClassDefFoundError(String s)
Constructs a
NoClassDefFoundError with the specified
detail message. |
NullPointerException(String s)
Constructs a
NullPointerException with the specified
detail message. |
NumberFormatException(String s)
Constructs a
NumberFormatException with the
specified detail message. |
OutOfMemoryError(String s)
Constructs an
OutOfMemoryError with the specified
detail message. |
RuntimeException(String s)
Constructs a
RuntimeException with the specified
detail message. |
SecurityException(String s)
Constructs a
SecurityException with the specified
detail message. |
String(byte[] bytes,
int off,
int len,
String enc)
Construct a new
String by converting the specified
subarray of bytes using the specified character encoding. |
String(byte[] bytes,
String enc)
Construct a new
String by converting the specified array
of bytes using the specified character encoding. |
String(String value)
Initializes a newly created
String object so that it
represents the same sequence of characters as the argument; in other
words, the newly created string is a copy of the argument string. |
StringBuffer(String str)
Constructs a string buffer so that it represents the same
sequence of characters as the string argument; in other
words, the initial contents of the string buffer is a copy of the
argument string.
|
StringIndexOutOfBoundsException(String s)
Constructs a
StringIndexOutOfBoundsException with
the specified detail message. |
Thread(Runnable target,
String name)
Allocates a new
Thread object with the given
target and name. |
Thread(String name)
Allocates a new
Thread object with the
given name. |
Throwable(String message)
Constructs a new
Throwable with the specified error
message. |
VirtualMachineError(String s)
Constructs a
VirtualMachineError with the specified
detail message. |
Modifier and Type | Method and Description |
---|---|
static String[] |
TimeZone.getAvailableIDs()
Gets all the available IDs supported.
|
String |
TimeZone.getID()
Gets the ID of this time zone.
|
String |
Vector.toString()
Returns a string representation of this vector.
|
String |
Hashtable.toString()
Returns a rather long string representation of this hashtable.
|
String |
Date.toString()
Converts this
Date object to a String
of the form:
dow mon dd hh:mm:ss zzz yyyy
where:
dow is the day of the week (Sun, Mon, Tue, Wed,
Thu, Fri, Sat). |
Modifier and Type | Method and Description |
---|---|
static TimeZone |
TimeZone.getTimeZone(String ID)
Gets the
TimeZone for the given ID. |
Constructor and Description |
---|
NoSuchElementException(String s)
Constructs a
NoSuchElementException , saving a reference
to the error message string s for later retrieval by the
getMessage method. |
Modifier and Type | Method and Description |
---|---|
String |
Datagram.getAddress()
Get the address of the datagram.
|
String |
ContentConnection.getEncoding()
Returns a string describing the encoding of the content which
the resource connected to is providing.
|
String |
ContentConnection.getType()
Returns the type of content that the resource connected to is
providing.
|
Modifier and Type | Method and Description |
---|---|
Datagram |
DatagramConnection.newDatagram(byte[] buf,
int size,
String addr)
Make a new datagram object.
|
Datagram |
DatagramConnection.newDatagram(int size,
String addr)
Create a new datagram object.
|
static Connection |
Connector.open(String name)
Create and open a Connection.
|
static Connection |
Connector.open(String name,
int mode)
Create and open a Connection.
|
static Connection |
Connector.open(String name,
int mode,
boolean timeouts)
Create and open a Connection.
|
static DataInputStream |
Connector.openDataInputStream(String name)
Create and open a connection input stream.
|
static DataOutputStream |
Connector.openDataOutputStream(String name)
Create and open a connection output stream.
|
static InputStream |
Connector.openInputStream(String name)
Create and open a connection input stream.
|
static OutputStream |
Connector.openOutputStream(String name)
Create and open a connection output stream.
|
void |
Datagram.setAddress(String addr)
Set datagram address.
|
Constructor and Description |
---|
ConnectionNotFoundException(String s)
Constructs a ConnectionNotFoundException with the
specified detail message.
|
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