jimmy514in

 Profile Answers by jimmy514in Questions by jimmy514in

• Sep 29th, 2010

Where do you use dictionary..? in practical applications?

Pattukkottai Arun

• Jul 22nd, 2005

Yes.

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RKalaa

 Profile Answers by RKalaa Questions by RKalaa

• Apr 26th, 2007

Statement is an expression that ends with semicolona= b+c ;  // statement 

Satyanarayana CH

• Sep 19th, 2005

There are 3 types of statements   1.Statement   2.Prepared Statement   3.Callable statement. 

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jimmy514in

 Profile Answers by jimmy514in Questions by jimmy514in

• Jul 5th, 2010

Create the connectionSet the autocommit property to be falseExecute the queries neededCommit the transaction by calling the commit() on the connection.Set the transaction autocommit property to be trueClose the connection.

Taranjeet

• Aug 25th, 2005

Using the autocommit method provided by the connection object.

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neha

• Aug 22nd, 2011

JFrame f=new JFrame();
JPanel p=new JPanel();
f.add(p,BorderLayout.CENTER);

dinakaran

• May 11th, 2005

Get the frames contentpane and add the panel  frame.getContentpane().add(panel);

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Nagesh

• Oct 23rd, 2005

Bean is a simple class which has set and get methods. It could be used within a JSP using JSP tags to use them.

Nagesh

• Oct 23rd, 2005

Bean is a simple class which has set and get methods. It could be used within a JSP using JSP tags to use them.

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RAAJKUMAR.S

• May 18th, 2017

This is the code for binary tree in java"java public class bTree { bnode root=null; void add(int val){ bnode newnode= new bnode(val); bnode curr = this.root; bno...

John

• Mar 15th, 2005

This article introduces the basic concepts of binary trees, and then works through a series of practice problems with solution code in C/C++ and Java. Binary trees have an elegant recursive pointer st...

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The EventObject class and the EventListener interface support event processing.

Nandhitha S

• May 3rd, 2012

Import java.awt.event.*;

Sandhya.Kishan

 Profile Answers by Sandhya.Kishan Questions by Sandhya.Kishan

• Apr 28th, 2012

EventObject class and the EventListener interface support event handling in Java.Util class.

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Interfaces provide more sophisticated ways to organize and control the objects in your system. The interface keyword takes the abstract concept one step further. You could think of it as a “pure” abstract class. It allows the creator to establish the form for a class: method names, argument lists, and return types, but no method bodies. An interface can also contain fields, but The interface keyword...

subroto

 Profile Answers by subroto Questions by subroto

• Sep 28th, 2007

Interfaces are the Pure Abstract class.which is use in java for the multiple inheritance. As we know that in java multiple inheritance is not possible,Interface is the Answer for this problem.

sahu

 Profile Answers by sahu Questions by sahu

• Dec 9th, 2005

Interface: What a Class must do, But not how-to. Bridge for the communication when the caller does not know to whom he is calling. Describes externally visible behavior of element. Only Public members...

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saurav sen

• Apr 1st, 2005

Yes it can be reversed, you can reverse a class file into a .java file, using a freely available tool named DJ JAVA DECOMPILER. A bytecode is effecient as it is compile once and run anywhere all it ne...

viswanath

• Mar 14th, 2005

If you develop a software and willing to give share & use your interfaces but not the inner workings, there definitely needs to be a mechanism to hide your implementations. If java compiles to machine...

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jimmy514in

 Profile Answers by jimmy514in Questions by jimmy514in

• May 18th, 2010

Synchronization can be used by:using synchronized function() to lock the objectusing static synchronized function() to lock the class objectusing wait(), notify() and notifyall() for two objects to co...

Vasudha

• Mar 23rd, 2005

You may synchronize a class, a method or a portion of a method. Synchronization will make the code thread safe.

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Abstract keyword declares either a method or a class. If a method has a abstract keyword in front of it, it is called abstract method.Abstract method has no body. It has only arguments and return type. Abstract methods act as placeholder methods that are implemented in the subclasses. Abstract classes can't be instantiated.If a class is declared as abstract,no objects of that class can be created.If...

alpa

• Dec 11th, 2006

hi,   Abstract classes can be subclassed and their objects can be created. Implementations can vary for the abstract methods by the subclasses.

vmshenoy

 Profile Answers by vmshenoy Questions by vmshenoy

• Feb 9th, 2006

Abstract simply means that this method  has no definition.It simply has retrun type i.e it is declared but not defined.

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The == operator would be used, in an object sense, to see if the two objects were actually the same object. This operator looks at the actually memory address to see if it actually the same object. The equals() method is used to compare the values of the object respectively. This is used in a higher level to see if the object values are equal. Of course the the equals() method would be overloaded in...

MANISHA PATHAK

• Oct 26th, 2006

== operator is used to compare whether the two references where equal or not.ex. String s1="abc";     String s2="xyz";     In this case if we compare if(s1...

vijay saxena

• Oct 23rd, 2006

Object.equals()  will certainly calls for member function becs it is invoked by its object. although the worked is same in function code as well as == opearor overloading, but variation is in met...

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sekhar511

 Profile Answers by sekhar511 Questions by sekhar511

• Dec 10th, 2010

Arithmetic exceptions, Null pointer exceptionsVariable not initialized

varsha

• Jun 13th, 2005

Stackoverfolw,stack underflow r Error.and nullpointerexception,arrayoutofboundexception r Exception.

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Bala

• Jul 31st, 2007

Vector was used in the older version of java where all the methods are synchronised for thread safety, but since it was creating a lot of performance problem ArrayList was introduced where none of the methods are synchronised

vikramaditya Garg

• Dec 15th, 2005

Vector is a dynamic collection whose size increases with addition of more elements.Array's size is not dynamic.Means that vector is based on dynamic memory allocation.

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amitkumarpadhy

 Profile Answers by amitkumarpadhy Questions by amitkumarpadhy

• May 30th, 2008

Class Object is the root of all Class. Every class has Object as a SuperClass . So if array like all other classes are objects.

Gurpreet

• Jun 20th, 2006

Yes array is object.

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sekhar511

 Profile Answers by sekhar511 Questions by sekhar511

• Dec 10th, 2010

Throwable class is the super class for exception

bala

• Apr 29th, 2005

Throwable class

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kjwilde

 Profile Answers by kjwilde Questions by kjwilde

• Jun 23rd, 2009

Creating a new instance of the same class and then being sure to apply all attributes of the original object to the new object would be equivalent to cloning. The clone method takes the legwork out of getting a duplicate of an object.

KV

• Jun 25th, 2005

Cloning is necessary. Suppose one of the instance fields of your class is mutable object... so if you are wrting a accessor (getter) for such a field.. u can not return the field object itself......

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meenama

 Profile Answers by meenama Questions by meenama

• Apr 30th, 2008

Apart from init,start,stop and destroy the Applet class has the following methods:1. public void paint(Graphics)2. public void repaint3. public void update(Graphics)4. public void showStatus(String)5. public String getParameter(String)

pradeep kumar rout

• Sep 29th, 2005

init()start()stop()Destroy()

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Thamizhselvi

• Jul 23rd, 2007

Trusted Applet : A trusted applet can perform operations such as reading, writing data to a local computer.We can access n/w connections from any host on...

Padma

• Oct 7th, 2005

     Trusted applets r predefined     Untrusted applets r not predefined

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chandanareddy

 Profile Answers by chandanareddy Questions by chandanareddy

• Feb 1st, 2006

An exception in java is a signal that indicates the occurence of some unexpected condition during execution.Regards,Chandana.R            &n...

D.S.Reddy

• Sep 12th, 2005

Exception is an abnormal condition raised in our program. It may be in compile time(Checked exceptions) or it may be in runtime(Unchecked exceptions).

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