Java Programing laungage

Core Java Tutorial

Introduction of Core Java

How To Install JDk and Set of Path

Syntax of java Program

Difference between Java and C/C++

Advantage and Disadvantage of Java

What is Java

Why Java is not Pure Object Oriented Language

Java has Following Features/Characteristics

Limitation of Java Language and Java Internet

Common Misconception about Java

Simple Program of Java

Integrated Development Environment in java

Compile and Run Java Program

Applet and Comments in Java

Tokens in Java

Keywords in Java

Identifier and Variables in Java


Data Type in Java

Assignments and Initialization in Java

Operators in Java

Rule of Precedence in Java

Operator on Integer and Separators in Java Programming

Java Control Flow of Statements

If and If-else Selection Statement

Nested If-else and If-else-If Selection Statement

switch case and conditional operator Selection Statement

for and while Loop

do..while and for each Loop

break and labeled break statement

continue and labeled continue statement

return Statement and exit() Method

Escape Sequence for Special Characters and Unicode Code

Constants and Block or Scope

Statement in Java

Conversions between Numeric Types in Java

Import Statement in Java

User Input in Java using Scanner Class

User Input in Java using Console Class

Array in Java

One Dimensional Array

Two Dimensional Array

Two Dimensional Array Program

Command Line Argument in Java

String args Types in Java

Uneven/Jagged array in java

Math Class Function and Constant

Math Class all Function used in a program

Enumerated Types in Java

Object Oriented Programming v/s Procedural Programming

Object Oriented Programming Concepts in Java

Introduction to Class,Object and Method in Java

Class Declaration in Java

Class & Objects in java

Encapsulation in Java

Modifiers/Visibility for a Class or Interrface or member of a Class

Polymorphism in Java

Runtime polymorphism (dynamic binding or method overriding)

Deprecated List jdk 1.5
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Here are most Deprecated list in current version as follows:

  • java.applet Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context.
  • java.awt Contains all of the classes for creating user interfaces and for painting graphics and images.
  • java.awt.color Provides classes for color spaces.
  • java.awt.datatransfer Provides interfaces and classes for transferring data between and within applications.
  • java.awt.dnd Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.
  • java.awt.event Provides interfaces and classes for dealing with different types of events fired by AWT components.
  • java.awt.font Provides classes and interface relating to fonts.
  • java.awt.geom Provides the Java 2D classes for defining and performing operations on objects related to two-dimensional geometry.
  • Provides classes and interfaces for the input method framework.
  • Provides interfaces that enable the development of input methods that can be used with any Java runtime environment.
  • java.awt.image Provides classes for creating and modifying images.
  • java.awt.image.renderable Provides classes and interfaces for producing rendering-independent images.
  • java.awt.print Provides classes and interfaces for a general printing API.
  • java.beans Contains classes related to developing beans -- components based on the JavaBeansTM architecture.
  • java.beans.beancontext Provides classes and interfaces relating to bean context.
  • Provides for system input and output through data streams, serialization and the file system.
  • java.lang Provides classes that are fundamental to the design of the Java programming language.
  • java.lang.annotation Provides library support for the Java programming language annotation facility.
  • java.lang.instrument Provides services that allow Java programming language agents to instrument programs running on the JVM.
  • Provides the management interface for monitoring and management of the Java virtual machine as well as the operating system on which the Java virtual machine is running.
  • java.lang.ref Provides reference-object classes, which support a limited degree of interaction with the garbage collector.
  • java.lang.reflect Provides classes and interfaces for obtaining reflective information about classes and objects.
  • java.math Provides classes for performing arbitrary-precision integer arithmetic (BigInteger) and arbitrary-precision decimal arithmetic (BigDecimal).
  • Provides the classes for implementing networking applications.
  • java.nio Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
  • java.nio.channels Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
  • java.nio.channels.spi Service-provider classes for the java.nio.channels package.
  • java.nio.charset Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.
  • java.nio.charset.spi Service-provider classes for the java.nio.charset package.
  • java.rmi Provides the RMI package.
  • java.rmi.activation Provides support for RMI Object Activation.
  • java.rmi.dgc Provides classes and interface for RMI distributed garbage-collection (DGC).
  • java.rmi.registry Provides a class and two interfaces for the RMI registry.
  • java.rmi.server Provides classes and interfaces for supporting the server side of RMI.
  • Provides the classes and interfaces for the security framework.
  • The classes and interfaces in this package have been superseded by classes in the package.
  • Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
  • Provides interfaces for generating RSA (Rivest, Shamir and Adleman AsymmetricCipher algorithm) keys as defined in the RSA Laboratory Technical Note PKCS#1, and DSA (Digital Signature Algorithm) keys as defined in NIST's FIPS-186.
  • Provides classes and interfaces for key specifications and algorithm parameter specifications.
  • java.sql Provides the API for accessing and processing data stored in a data source (usually a relational database) using the JavaTM programming language.
  • java.text Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
  • java.util Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).
  • java.util.concurrent Utility classes commonly useful in concurrent programming.
  • java.util.concurrent.atomic A small toolkit of classes that support lock-free thread-safe programming on single variables.
  • java.util.concurrent.locks Interfaces and classes providing a framework for locking and waiting for conditions that is distinct from built-in synchronization and monitors.
  • java.util.jar Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file.
  • java.util.logging Provides the classes and interfaces of the JavaTM 2 platform's core logging facilities.
  • java.util.prefs This package allows applications to store and retrieve user and system preference and configuration data.
  • java.util.regex Classes for matching character sequences against patterns specified by regular expressions.
  • Provides classes for reading and writing the standard ZIP and GZIP file formats.
  • javax.accessibility Defines a contract between user-interface components and an assistive technology that provides access to those components.
  • javax.crypto Provides the classes and interfaces for cryptographic operations.
  • javax.crypto.interfaces Provides interfaces for Diffie-Hellman keys as defined in RSA Laboratories' PKCS #3.
  • javax.crypto.spec Provides classes and interfaces for key specifications and algorithm parameter specifications.
  • javax.imageio The main package of the Java Image I/O API.
  • javax.imageio.event A package of the Java Image I/O API dealing with synchronous notification of events during the reading and writing of images.
  • javax.imageio.metadata A package of the Java Image I/O API dealing with reading and writing metadata.
  • javax.imageio.plugins.bmp Package containing the public classes used by the built-in BMP plug-in.
  • javax.imageio.plugins.jpeg Classes supporting the built-in JPEG plug-in.
  • javax.imageio.spi A package of the Java Image I/O API containing the plug-in interfaces for readers, writers, transcoders, and streams, and a runtime registry.
  • A package of the Java Image I/O API dealing with low-level I/O from files and streams.
  • Provides the core classes for the Java Management Extensions.
  • Provides the classes which implement advanced dynamic loading.
  • Provides the definition of the ModelMBean classes.
  • Provides the definition of the monitor classes.
  • Provides the open data types and Open MBean descriptor classes.
  • Provides the definition of the Relation Service.
  • Interfaces for remote access to JMX MBean servers.

  • The RMI connector is a connector for the JMX Remote API that uses RMI to transmit client requests to a remote MBean server.
  • Provides the definition of the Timer MBean.
  • javax.naming Provides the classes and interfaces for accessing naming services.
  • Extends the javax.naming package to provide functionality for accessing directory services.
  • javax.naming.event Provides support for event notification when accessing naming and directory services.
  • javax.naming.ldap Provides support for LDAPv3 extended operations and controls.
  • javax.naming.spi Provides the means for dynamically plugging in support for accessing naming and directory services through the javax.naming and related packages.
  • Provides classes for networking applications.
  • Provides classes for the secure socket package.
  • javax.print Provides the principal classes and interfaces for the JavaTM Print Service API.
  • javax.print.attribute Provides classes and interfaces that describe the types of JavaTM Print Service attributes and how they can be collected into attribute sets.
  • javax.print.attribute.standard Package javax.print.attribute.standard contains classes for specific printing attributes.
  • javax.print.event Package javax.print.event contains event classes and listener interfaces.
  • javax.rmi Contains user APIs for RMI-IIOP.
  • javax.rmi.CORBA Contains portability APIs for RMI-IIOP.
  • javax.rmi.ssl Provides implementations of RMIClientSocketFactory and RMIServerSocketFactory over the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols.
  • This package provides a framework for authentication and authorization.
  • This package provides the classes necessary for services to interact with applications in order to retrieve information (authentication data including usernames or passwords, for example) or to display information (error and warning messages, for example).
  • This package contains utility classes related to the Kerberos network authentication protocol.
  • This package provides a pluggable authentication framework.
  • This package provides the interface to be used for implementing pluggable authentication modules.
  • This package contains the classes that should be used to store X500 Principal and X500 Private Crendentials in a Subject.
  • Provides classes for public key certificates.
  • Contains class and interfaces for supporting SASL.
  • javax.sound.midi Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data.
  • javax.sound.midi.spi Supplies interfaces for service providers to implement when offering new MIDI devices, MIDI file readers and writers, or sound bank readers.
  • javax.sound.sampled Provides interfaces and classes for capture, processing, and playback of sampled audio data.
  • javax.sound.sampled.spi Supplies abstract classes for service providers to subclass when offering new audio devices, sound file readers and writers, or audio format converters.
  • javax.sql Provides the API for server side data source access and processing from the JavaTM programming language.
  • javax.sql.rowset Standard interfaces and base classes for JDBC RowSet implementations.
  • javax.sql.rowset.serial Provides utility classes to allow serializable mappings between SQL types and data types in the Java programming language.
  • javax.sql.rowset.spi The standard classes and interfaces that a third party vendor has to use in its implementation of a synchronization provider.
  • javax.swing Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
  • javax.swing.border Provides classes and interface for drawing specialized borders around a Swing component.
  • javax.swing.colorchooser Contains classes and interfaces used by the JColorChooser component.
  • javax.swing.event Provides for events fired by Swing components.
  • javax.swing.filechooser Contains classes and interfaces used by the JFileChooser component.
  • javax.swing.plaf Provides one interface and many abstract classes that Swing uses to provide its pluggable look-and-feel capabilities.
  • javax.swing.plaf.basic Provides user interface objects built according to the Basic look and feel.
  • javax.swing.plaf.metal Provides user interface objects built according to the Java look and feel (once codenamed Metal), which is the default look and feel.
  • javax.swing.plaf.multi Provides user interface objects that combine two or more look and feels.
  • javax.swing.plaf.synth Synth is a skinnable look and feel in which all painting is delegated.
  • javax.swing.table Provides classes and interfaces for dealing with javax.swing.JTable.
  • javax.swing.text Provides classes and interfaces that deal with editable and noneditable text components.
  • javax.swing.text.html Provides the class HTMLEditorKit and supporting classes for creating HTML text editors.
  • javax.swing.text.html.parser Provides the default HTML parser, along with support classes.
  • javax.swing.text.rtf Provides a class (RTFEditorKit) for creating Rich-Text-Format text editors.
  • javax.swing.tree Provides classes and interfaces for dealing with javax.swing.JTree.
  • javax.swing.undo Allows developers to provide support for undo/redo in applications such as text editors.
  • javax.transaction Contains three exceptions thrown by the ORB machinery during unmarshalling.
  • javax.transaction.xa Provides the API that defines the contract between the transaction manager and the resource manager, which allows the transaction manager to enlist and delist resource objects (supplied by the resource manager driver) in JTA transactions.
  • javax.xml Defines core XML constants and functionality from the XML specifications.
  • javax.xml.datatype XML/Java Type Mappings.
  • javax.xml.namespace XML Namespace processing.
  • javax.xml.parsers Provides classes allowing the processing of XML documents.
  • javax.xml.transform This package defines the generic APIs for processing transformation instructions, and performing a transformation from source to result.
  • javax.xml.transform.dom This package implements DOM-specific transformation APIs.
  • javax.xml.transform.sax This package implements SAX2-specific transformation APIs.
  • This package implements stream- and URI- specific transformation APIs.
  • javax.xml.validation This package provides an API for validation of XML documents.
  • javax.xml.xpath This package provides an object-model neutral API for the evaluation of XPath expressions and access to the evaluation environment.
  • org.ietf.jgss This package presents a framework that allows application developers to make use of security services like authentication, data integrity and data confidentiality from a variety of underlying security mechanisms like Kerberos, using a unified API.
  • org.omg.CORBA Provides the mapping of the OMG CORBA APIs to the JavaTM programming language, including the class ORB, which is implemented so that a programmer can use it as a fully-functional Object Request Broker (ORB).
  • org.omg.CORBA_2_3 The CORBA_2_3 package defines additions to existing CORBA interfaces in the Java 2 Standard Edition. These changes occurred in recent revisions to the CORBA API defined by the OMG. The new methods were added to interfaces derived from the corresponding interfaces in the CORBA package. This provides backward compatibility and avoids breaking the JCK tests.
  • org.omg.CORBA_2_3 portable Provides methods for the input and output of value types, and contains other updates to the org/omg/CORBA/portable package.
  • org.omg.CORBA.DynAnyPackage Provides the exceptions used with the DynAny interface (InvalidValue, Invalid, InvalidSeq, and TypeMismatch).
  • org.omg.CORBA.ORBPackage Provides the exception InvalidName, which is thrown by the method ORB.resolve_initial_references and the exception InconsistentTypeCode, which is thrown by the Dynamic Any creation methods in the ORB class.
  • org.omg.CORBA.portable Provides a portability layer, that is, a set of ORB APIs that makes it possible for code generated by one vendor to run on another vendor's ORB.
  • org.omg.CORBA.TypeCodePackage Provides the user-defined exceptions BadKind and Bounds, which are thrown by methods in in the class TypeCode.
  • org.omg.CosNaming Provides a naming service for Java IDL.
  • org.omg.CosNaming.NamingContextExtPackage This package contains the following classes, which are used in org.omg.CosNaming.NamingContextExt:
  • org.omg.CosNaming.NamingContextPackage This package contains Exception classes for the org.omg.CosNaming package.
  • org.omg.Dynamic This package contains the Dynamic module specified in the OMG Portable Interceptor specification,, section 21.9.

  • org.omg.DynamicAny Provides classes and interfaces that enable traversal of the data value associated with an any at runtime, and extraction of the primitive constituents of the data value.
  • org.omg.DynamicAny.DynAnyFactoryPackage This package contains classes and exceptions from the DynAnyFactory interface of the DynamicAny module specified in the OMG The Common Object Request Broker: Architecture and Specification,, section 9.2.2.
  • org.omg.DynamicAny.DynAnyPackage This package contains classes and exceptions from the DynAny interface of the DynamicAny module specified in the OMG The Common Object Request Broker: Architecture and Specification,, section 9.2.
  • org.omg.IOP This package contains the IOP module specified in the OMG document The Common Object Request Broker: Architecture and Specification,, section 13.6.
  • org.omg.IOP.CodecFactoryPackage This package contains the exceptions specified in the IOP::CodeFactory interface (as part of the Portable Interceptors spec).
  • org.omg.IOP.CodecPackage This package is generated from the IOP::Codec IDL interface definition.
  • org.omg.Messaging This package contains the Messaging module specified in the OMG CORBA Messaging specification,
  • org.omg.PortableInterceptor Provides a mechanism to register ORB hooks through which ORB services can intercept the normal flow of execution of the ORB.
  • org.omg.PortableInterceptor.ORBInitInfoPackage This package contains the exceptions and typedefs from the ORBInitInfo local interface of the PortableInterceptor module specified in the OMG Portable Interceptor specification,, section 21.7.2.
  • org.omg.PortableServer Provides classes and interfaces for making the server side of your applications portable across multivendor ORBs.
  • org.omg.PortableServer.CurrentPackage Provides method implementations with access to the identity of the object on which the method was invoked.
  • org.omg.PortableServer.POAManagerPackage Encapsulates the processing state of the POAs it is associated with.
  • org.omg.PortableServer.POAPackage Allows programmers to construct object implementations that are portable between different ORB products.
  • org.omg.PortableServer.portable Provides classes and interfaces for making the server side of your applications portable across multivendor ORBs.
  • org.omg.PortableServer.ServantLocatorPackage Provides classes and interfaces for locating the servant.
  • org.omg.SendingContext Provides support for the marshalling of value types.
  • Contains RMI-IIOP Stubs for the Remote types that occur in the java.rmi package.
  • org.xml.sax This package provides the core SAX APIs.
  • org.xml.sax.ext This package contains interfaces to SAX2 facilities that conformant SAX drivers won't necessarily support.
  • org.xml.sax.helpers This package contains "helper" classes, including support for bootstrapping SAX-based applications.
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