Uses of Class
java.lang.Object

Packages that use Object

java.io	Provides classes for input and output through data streams.
java.lang	Provides classes that are fundamental to the Java programming language.
java.rmi	A subset of the java.rmi package in the Java 2 Standard Edition.
java.security	Provides the classes and interfaces for the security framework.
java.security.spec	Provides classes and interfaces for key specifications and algorithm parameter specifications.
javacard.framework	Provides Java Card API exceptions that may be thrown by a remote method.
javacard.framework.service	Provides a Java Card API exception that may be thrown by a remote method.
javacard.security	Provides a Java Card API exception that may be thrown by a remote method.
javax.crypto	Provides the classes and interfaces for cryptographic operations.
javax.crypto.spec	Provides classes and interfaces for key specifications and algorithm parameter specifications.
javax.microedition.io	Classes for the Generic Connection framework.
javax.microedition.jcrmi	Provides classes and interfaces for Java Card RMI connection.
javax.microedition.pki	This package defines classes to support basic user certificate management.
javax.microedition.securityservice	This package defines classes to generate application-level digital signatures that conform to the Cryptographic Message Syntax (CMS) format.

Uses of Object in java.io

Subclasses of Object in java.io

class

java.io.IOException

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	UnsupportedOperationException Thrown to indicate that the requested operation is not supported.
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	Short.equals(Object obj) Compares this object to the specified object.
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	Integer.equals(Object obj) Compares this object to the specified object.
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	Long.equals(Object obj) Compares this object against 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 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().
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	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.
boolean	Object.equals(Object obj) Indicates whether some other object is "equal to" this one.

Uses of Object in java.rmi

Subclasses of Object in java.rmi

class

RemoteException A RemoteException is the common superclass for a number of communication-related exceptions that may occur during the execution of a remote method call.

Uses of Object in java.security

Subclasses of Object in java.security

class	DigestException This is the generic Message Digest exception.
class	GeneralSecurityException The GeneralSecurityException class is a generic security exception class that provides type safety for all the security-related exception classes that extend from it.
class	InvalidAlgorithmParameterException This is the exception for invalid or inappropriate algorithm parameters.
class	InvalidKeyException This is the exception for invalid Keys (invalid encoding, wrong length, uninitialized, etc).
class	KeyException This is the basic key exception.
class	KeyFactory Key factories are used to convert key specifications (transparent representations of the underlying key material) into keys (opaque cryptographic keys of type Key).
class	MessageDigest This MessageDigest class provides applications the functionality of a message digest algorithm, such as MD5 or SHA.
class	NoSuchAlgorithmException This exception is thrown when a particular cryptographic algorithm is requested but is not available in the environment.
class	Signature This Signature class is used to provide applications the functionality of a digital signature algorithm.
class	SignatureException This is the generic Signature exception.

Uses of Object in java.security.spec

Subclasses of Object in java.security.spec

class	EncodedKeySpec This class represents a public key in encoded format.
class	InvalidKeySpecException This is the exception for invalid key specifications.
class	X509EncodedKeySpec This class represents the ASN.1 encoding of a public key, encoded according to the ASN.1 type SubjectPublicKeyInfo.

Uses of Object in javacard.framework

Subclasses of Object in javacard.framework

class	APDUException APDUException represents an APDU-related exception.
class	CardException The CardException class defines a field reason and two accessor methods getReason() and setReason().
class	CardRuntimeException The CardRuntimeException class defines a field reason and two accessor methods getReason() and setReason().
class	ISOException ISOException class encapsulates an ISO 7816-4 response status word as its reason code.
class	PINException PINException represents a OwnerPIN class access-related exception.
class	SystemException SystemException represents a JCSystem class-related exception.
class	TransactionException TransactionException represents an exception in the transaction subsystem.
class	UserException UserException represents a user exception.

Uses of Object in javacard.framework.service

Subclasses of Object in javacard.framework.service

class

ServiceException ServiceException represents a service framework related exception.

Uses of Object in javacard.security

Subclasses of Object in javacard.security

class

CryptoException CryptoException represents a cryptography-related exception.

Uses of Object in javax.crypto

Subclasses of Object in javax.crypto

class	BadPaddingException This exception is thrown when a particular padding mechanism is expected for the input data but the data is not padded properly.
class	Cipher This class provides the functionality of a cryptographic cipher for encryption and decryption.
class	IllegalBlockSizeException This exception is thrown when the length of data provided to a block cipher is incorrect, i.e., does not match the block size of the cipher.
class	NoSuchPaddingException This exception is thrown when a particular padding mechanism is requested but is not available in the environment.
class	ShortBufferException This exception is thrown when an output buffer provided by the user is too short to hold the operation result.

Uses of Object in javax.crypto.spec

Subclasses of Object in javax.crypto.spec

class	IvParameterSpec This class specifies an initialization vector (IV).
class	SecretKeySpec This class specifies a secret key in a provider-independent fashion.

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.

Uses of Object in javax.microedition.jcrmi

Subclasses of Object in javax.microedition.jcrmi

class

RemoteStub The RemoteStub class is the common superclass for stubs of remote objects.

Methods in javax.microedition.jcrmi that return Object

Object

RemoteRef.invoke(String method, Object[] params) Invokes a remote method.

Methods in javax.microedition.jcrmi with parameters of type Object

boolean	RemoteStub.equals(Object obj) Compares two remote objects for equality.
Object	RemoteRef.invoke(String method, Object[] params) Invokes a remote method.

Uses of Object in javax.microedition.pki

Subclasses of Object in javax.microedition.pki

class	UserCredentialManager This class provides functionality for user credential management which includes creating certificate signing requests, adding user credentials, and removing credentials that may be used to generate digital signatures as specified in the CMSMessageSignatureService class.
class	UserCredentialManagerException This class is used to identify error conditions in the management of the user certificate store.

Uses of Object in javax.microedition.securityservice

Subclasses of Object in javax.microedition.securityservice

class	CMSMessageSignatureService Provides signature services for cryptographic messages.
class	CMSMessageSignatureServiceException This class is used to identify error conditions detected while signing messages.