Jitender

• Jun 21st, 2006

Thread by itself is an object. Your class inherits one more class. Thats it.Thanks,Jitender.

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sbarik

 Profile Answers by sbarik Questions by sbarik

• Jun 20th, 2006

Make a class immutable by following these guidelines : always construct an object completely, instead of using a no-argument constructor combined with subsequent calls to setXXX methods do not provide...

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Sailaja

• Jun 19th, 2006

A "weak reference" is a holder for a reference to an object, called the referent. With weak references, you can maintain a reference to the referent without preventing it from being garbage collected....

sbarik

 Profile Answers by sbarik Questions by sbarik

• Jun 14th, 2006

Soft Reference :-->An object is softly reachable if it is not strongly reachable and there is a path to it with no weak or phantom references, but one or more soft references. The garbage collector...

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When we increase the buffer size in our project using page directive attribute ‘buffer’ what changes we observe?

shyam sundar

• Jun 12th, 2006

the default buffer size is 8k and when we increase the buffer size of the page using the buffer attribute of the page directive then the storage capacity will be increased .if the buffer size is too l...

Nishant

• May 7th, 2006

WellThe effect will be only that the caching of pages in the memory will increase and if it is increase upto much extends, it will consume the more memory of the system. It may increase or decrease the performance of an application.  

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Ravindra Gautam

• Jun 5th, 2006

constructor nesting can be achieved only by this(parameter,parameter,...............). it's called with in a constructor,and it must be the first statement within the constructor within which it is ca...

Sujeet Mishra

• May 31st, 2006

Constructor nesting can be achieved by using :this(parameters....)constructors with parameters can use the above to delagate calls to a non argument constructor and vice versa.

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shirisha49

 Profile Answers by shirisha49 Questions by shirisha49

• May 31st, 2006

Hi there, The code enclosed in finally block is a must-execute code. Whether an exception is raised or not it doesn't matter. If finally code block is embedded after an exception-handling block then the control must pass to finally block either after try-catch or no try-catch.Shirisha K.

shubha

• May 25th, 2006

hi,2.finally block can be used to handle any exception generated within a try block.it may be added immediately after the try block or after the last catch block.when a finally block is defined,this is guranteed to execute,regardless of whether or not an exception is thrown.tq

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gaurav

• May 29th, 2006

dear deepa please read the question carefully.We have two classes and two interfaces.I we had two interfaces then surely we may have implemented it.The solution may be like this(assume class A and B e...

gaurav

• May 29th, 2006

but dear deepa,the question is we have two independent classes and not interfaces.We can't implement the classes.We have to extend the classes and that we can do only one at a time.The sloution can be-(assume class A,B exists)class c extends A{

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satishm

 Profile Answers by satishm Questions by satishm

• May 26th, 2006

To reduce possibility of memory leaks, following things should be kept in mind. Try to avoid long recursive loops in the code. This leads to an OutOfMemoryError. Avoid collections as static membe...

pratap

• May 25th, 2006

You may use "JProbe Memory debugger" tool to identify memory leaks in your code.Thanks,Pratap

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ganesh

• May 25th, 2006

runtime poly morphism is resolved at runtime i.e the reference variable actually cares which object its presently pointing tocompile time polymorphish is resolved at compile time i.e the reference variable actually cares which type of object its actually rather than which object its pointing

rajev

• May 25th, 2006

Good

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maneesh

• May 24th, 2006

    by using index.

lakshmi

• May 24th, 2006

By using index

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we have got two methods of loading and registering a driver. i would like to know which one could be preferable class.forName(sun.jdbc.odbc.JdbcOdbcDriver) or Driver d= new Driver(sun.jdbc.odbc.JdbcOdbcDriver) Driver Manager.register Driver(d) ?

vsurendarb

 Profile Answers by vsurendarb Questions by vsurendarb

• May 19th, 2006

I useclass.forName(sun.jdbc.odbc.JdbcOdbcDriver)

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satheesh kumar. sriramaneni

• May 10th, 2006

In Java, the JVM will allocate memory to the object.So, it's a platform independent. In C/C++ ,the OS will allocate memory to the object.So, it's a platform dependent.Java is a Robust language, Means ...

miggu

 Profile Answers by miggu Questions by miggu

• Apr 7th, 2006

difference between java,C++ & Cjava doesn,t supports pointers but C++ supports java doesn,t supports structures and unions but C++ supports.C is a procedural based language but java and C++ are object-oriented language .C doesn,t supports classes and objects but java and C++ supports.

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rams_k

 Profile Answers by rams_k Questions by rams_k

• May 10th, 2006

if we dont wnat a class to be subclassed or only one obj to be created go for singletone it only allows only one obj to be createdand rest of them to use that obj for examplePublic Class Singleton {&n...

Guest

• Mar 22nd, 2006

Hi All,Generally Singleton Pattern is used while accessing database related objects. It provides one point access to whole java application. It makes sense to make it thread safe by use of synchronized keyword. Regards-ashruf

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Thakkar Nirav

 Profile Answers by Thakkar Nirav Questions by Thakkar Nirav

• May 6th, 2006

During execution, compiled code might cache the values of fields for efficiency reasons. Since multiple threads can access the same field, it is vital that caching is not allowed to cause inconsistenc...

Srinivasa Chary

• May 4th, 2006

The volatile keyword is used on variables that may be modified simultaneously by other threads. This warns the compiler to fetch them fresh each time, rather than caching them in registers. This also ...

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uafshahid

 Profile Answers by uafshahid Questions by uafshahid

• May 1st, 2006

Byte code is simply the converted source code into arrays of bytes and generated after compilation of source code and is understandable only for interpreter or you can say java run time environment.Un...

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premisa

 Profile Answers by premisa Questions by premisa

• Apr 28th, 2006

As the framwork is a collection of interfaces and classes.java.util package,in which that collection package itself has a coolection of classes and interfaces it will make a fremawork,hence it is so called as Fremework.

Alok Sharan

• Apr 27th, 2006

Hi, A framework is essentialy a set of classes and/or interfaces of reusable code that has been designed and developed for some specific bussiness requirement. The collection is said to be a framework just because it contains the core logic for implementing what we say Data Structure.

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sbarik

 Profile Answers by sbarik Questions by sbarik

• Apr 24th, 2006

Applet is a client side Application. wheras A servlet is a server side application.The servlet sends its resopnse as HTML (By default) to the client. U can just push the applet in servlet just by writ...

sbarik

 Profile Answers by sbarik Questions by sbarik

• Apr 24th, 2006

U can push an Applet into a servlet by just writting the th tag  in the servleteg:-  out.println("<applet code=AccessoryFileChooser.class width=400 height=400>");

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sbarik

 Profile Answers by sbarik Questions by sbarik

• Apr 24th, 2006

U can do this by using the methodsgetBlob(int i),getBlob(String col),getClob(int i),getClob(Strin col)of the ResultSet

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Yelisetty Niranjan Prasad

• Apr 20th, 2006

In general, applets loaded over the net are prevented from accessing files on the client machine, and from making network connections except to the host originating the applet.In addition, applets loa...

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Inner class can access the parameters if the parameters are final

Preeti Yadav

 Profile Answers by Preeti Yadav Questions by Preeti Yadav

• Apr 20th, 2006

The inner class cannot access the parameters of the function in which it defined, unless the keyword "final" is not used with them.

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