Synchronize is used when u want to make ur methods thread safe. The disadvantage of synchronise is it will end up in slowing down the program. Also if not handled properly it will end up in dead lock.1. Only use (and minimize it's use)synchronization when writing multithreaded code as there is a speed (up to five to six time slower, depending on the execution time of the synchronized/nonsynchronized...

Kish

• Feb 15th, 2006

Synchronize on a method basically locks up the whole class, the other methods are not accessible till the thread is done with the transcation

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Public – any other class from any package can instantiate and execute the classes and methodsProtected – only subclasses and classes inside of the package can access the classes and methodsPrivate – the original class is the only class allowed to execute the methods

babu

• Apr 5th, 2006

Access specifiers: "public", "protected", "private",Default"

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FINAL for a variable : value is constantFINAL for a method : cannot be overriddenFINAL for a class : cannot be derived

vmshenoy

 Profile Answers by vmshenoy Questions by vmshenoy

• Feb 9th, 2006

Final when written in front of a variable it means that the value assigned to that variable is constant.It is similar to const keyword as in C.eg final int a=8;This means that variable a ,through out ...

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Prakash

• Apr 8th, 2005

FileReader FR = new FileReader("C:/input.txt"); BufferedReader reader = new BufferedReader(FR); //Used for reading line by line while( (reader.readLine())!=null) {  //Write ur logic here }

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You would create interfaces when you have two or more functionalities talking to each other. Doing it this way help you in creating a protocol between the parties involved.

Murugesan Surandai

• May 6th, 2005

In Object Oriented programming, interfaces are getting abstract data from objects ie getting common attrubute and common behaviour from other objects.

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The Reader/Writer class hierarchy is character-oriented, and the InputStream/OutputStream class hierarchy is byte-oriented.

sfsfs

• May 18th, 2006

The Reader/Writer class hierarchy is character-oriented, and the InputStream/OutputStream class hierarchy is byte-oriented.

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The serialization is a kind of mechanism that makes a class or a bean persistence by having its properties or fields and state information saved and restored to and from storage.

rajesh_gint

 Profile Answers by rajesh_gint Questions by rajesh_gint

• Jan 9th, 2006

the process of capturing the state of the object and sending it to a physical diskfile is called serializationeitther phisical diskfile or flatfile or database.this can be done by implementing the serializable interface,and using object o/p and file o/p streams.

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lucas

 Profile Answers by lucas Questions by lucas

• Nov 28th, 2005

Authentication is the process by which a user proves their identity to a system. This proof can take several forms:# A password known only to the user.# A digital certificate (a secret key c...

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pravash

• Jun 8th, 2005

An XSLT file can include another XSLT file using the element. The href attribute value is a URI reference identifying the file to be included. The relative URI is resolved with relation to the base U...

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manohar

• May 20th, 2006

By using Driver Manager.get Connection()

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Answer posted by pravash on 2005-06-08 02:16:34: The PreparedStatement is a slightly more powerful version of a Statement, and should always be at least as quick and easy to handle as a Statement.  The PreparedStatement may be parametrizednull  Most relational databases handles a JDBC / SQL query in four steps:  1.Parse the incoming SQL query  2. Compile the SQL query  3....

pravash

• Jun 8th, 2005

The PreparedStatement is a slightly more powerful version of a Statement, and should always be at least as quick and easy to handle as a Statement.  The PreparedStatement may be parametrizednull&...

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Jagadeesh

• Jun 15th, 2005

It is default point location is before the first row

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chandra

• Jun 19th, 2005

Four types of Drivers  a) JDBC-ODBC Bridge driver  b) Native API Partly-Java driver  c) JDBC-Net Pure Java driver  d) Native-Protocol Pure Java driver 

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Srikanth

• Sep 16th, 2005

Object has physical existance and class doesn't have physical existance .Object is an instance of the class and class is templete for the object

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Praveen

• Apr 11th, 2006

>> An object is a specific form of an instance: the instance of a class. >> There are other forms of instances - for example    -- in UML, a link is an instance of an association...

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samiksc

 Profile Answers by samiksc Questions by samiksc

• Jan 12th, 2006

Polymorphism is different implementations of methods with same signatures in a class hierarchy.Ploymorphisms may be classified as Interface based  -- achieved when two classes implement the same ...

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lucas

 Profile Answers by lucas Questions by lucas

• Nov 28th, 2005

You can make your JSPs thread-safe by having them implement the SingleThreadModel interface. This is done by adding the directive <%@ page isThreadSafe="false" %> within your JSP page. With this...

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mms

• Apr 9th, 2006

multi threading is nothing but more threads(small program) running on a single program. that is we utilised the cpu time very effectively.synchronisation means if multiple threads try to access the pa...

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mms

• Apr 9th, 2006

We can stop a thread through Thread.stop() .if we want to styop a thread for particular peroid ,then we can use sleep comman.syntax: Thread.sleep(long secs)

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mms

• Apr 9th, 2006

No both are not same. sleep command is used stop a thread for particular period when it was specified. after that it automatically waked. but stop command is awaken through when the thread get 'notify'

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