The Dictionary class provides the capability to store key-value pairs.

RIT

• Jul 25th, 2005

run this file, i think result will itself explain you the use of LOG4J. otherwise mail me ritesh.patni@gmail.com :- package com.banking.log4j; import org.apache.log4j.*;  import co...

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 22nd, 2005

A Canvas is a component represents a blank rectangular area of the screen onto which the application can draw or from which the application can trap input events from the user.

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 22nd, 2005

AWT is a "Heavy weight" component require native OS. Swing components are called "lightweight" because they do not require a native OS object to implement their functionality.

suman medisetti

• Jul 17th, 2005

AWT is a heavy weight component and swing is a light weight component.swing is faster than AWT.

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 22nd, 2005

JComponent

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 22nd, 2005

The "update" method is an internal method belonging to one of "applet's" parent-classes. When you call "repaint" this method is called. It

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 22nd, 2005

RMI is completely Java based, where CORBA is language independant. There are many adapters for CORBA, and programs can call processes written in any language that has a CORBA interface. CORBA has many...

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 22nd, 2005

The simplest way for an applet to exchange information with a servlet is through an HTTP text stream.  Another, less common strategy for applet-to-servlet communication is to create a raw socket connection from the applet back to the servlet.

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 22nd, 2005

Java supports exception handling by its try catch constructs. Java API define exception classes for such conditions. These classes are derived from java.lang.Throwable class. User defined exceptions a...

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 21st, 2005

Java 2 Platform, Enterprise Edition (J2EE) defines the standard for developing component-based multitier enterprise applications.

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 21st, 2005

A class loader is an object that is responsible for loading classes.The class ClassLoader is an abstract class.

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 21st, 2005

The difference is that a HashMap stores all of its data inside of a hash table while a TreeMap stores all of its information in a tree.

jagadish kumar

• Jul 13th, 2005

Tree map is sorted where as HashMap is not sorted

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 21st, 2005

The Comparable is for natural ordering and Comparator is for custom ordering. But we can override the compareTo method of comparable interface to give a custom ordering.

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 21st, 2005

Iterator is returned by List and other Collection interfaces. Iterator is fail fast if a modification to the collection is performed while iterating.  Enumeration is used by Vector and Hashtable. Enumeration may or may not throw an error if the collection is changed.

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 21st, 2005

Reflection is an advanced feature of the Java environment. It gives runtime information about objects, classes, and interfaces.  Uses :Constructing an object using a given constructor  ...

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 21st, 2005

All applets have the following four methods:  public void init(); public void start(); public void stop(); public void destroy();  

suman medisetti

• Jul 18th, 2005

Init() start() stop() destroy()

Answer Question  Select Best Answer

Pattukkottai Arun

• Jul 21st, 2005

Serialization is the process of taking an object and converting it to a format in which it can be transported across a network or persisted to a storage location. The storage location could be as simp...

sudhakar

• Jul 8th, 2005

Serialization means converting the data into bytes and deserialization means converting bytes into text data .

Answer Question  Select Best Answer

Adesh

• Jul 21st, 2005

There are 2 reasons that i can think of: 1. java support for primitive data type 2. no direct implementation of multiple inheritence  Howerver java has a way out of these two issues in form of: 1. wrapper classes 2. interfaces

Answer Question  Select Best Answer

Arun

• Jul 21st, 2005

If two threads can both execute a method that modifies the state of an object then the method should be declared to be synchronized, allowing only one thread to execute the method at a time.

Answer Question  Select Best Answer

Arun

• Jul 21st, 2005

Converting a reference to a Java object from one type to another is called casting.

Answer Question  Select Best Answer

suman medisetti

• Jul 18th, 2005

Using public void init() method

Answer Question  Select Best Answer