Scott

• May 25th, 2005

RMI stands for Remote Method Invocation. It essentially is a mechanism that allows calls to remote (residing in different JVM's) objects the same way that you would make a call to a local object. This...

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MSachin

• Aug 16th, 2005

Parameter are passed in RMI using Parameter marshalling.  As RMI is used to invoke remote objects, many of the times objects, their references have passed across the network. Hence these objects need to be serialized.

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kamal

• Oct 9th, 2005

in unicast we can conver only one wrapper class object in to another wrapper class object. where as if u consider an object of Object class we can convert it in to any other wrapper class object.This ...

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Jagdeep

• Sep 17th, 2005

Features:-===========================================Topic  Java C++ Pointer No Yes OperatorOverload No Yes Preprocessors No Yes Structures,Unions No Yes Enums No Yes Functions No(only methods wi...

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suman medisetti

• Jul 17th, 2005

Prepared statement is a precomplie SQL statement.It is the compiled version of the query.Prepared statement has got a faster excecution time than any other statement.

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MSachin

• Aug 16th, 2005

A Servlet is a component that extends the functionality the server. The service() method of the servlet takes in 2 paramaters HttpServletRequest and the HttpServletResponse objects.

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MSachin

• Aug 16th, 2005

Generic Servlet class is a base class that specifies the class structure for protocol independent servlet and acts as a base for different servlets.   HttpServlet is a servlet that extends G...

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sathya vani

• Jan 5th, 2006

2-tier architecture:In a two-tier system, we have a client program and a server program. The main difference between the two is that the server responds to requests from many different clients, while ...

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Threads block on i/o (that is enters the waiting state) so that other threads may executewhile the i/oOperation is performed.

Sandhya.Kishan

 Profile Answers by Sandhya.Kishan Questions by Sandhya.Kishan

• Apr 24th, 2012

While performing the i/o operation a thread is blocked and there by it allows the next thread in the queue to complete its execution.

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The Vector class provides the capability to implement a growable array of objects

madhu

• Apr 30th, 2005

Vector implements a dynamic array at run tme and it works as arraylsi,but it is synchronizedand not part of the collection framework

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The CheckboxMenuItem class extends the MenuItem class to support a menu item thatmay be checked orunchecked.

Brijendra

• Sep 29th, 2005

MenuIten where we select more than one item using java interface and their method which implements their own method

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Answered by Scott on 2005-05-12 09:24:14: Byte b = new Byte((byte)5);  double d = b.byteValue();  System.out.println( "The double value is: " + d );

Scott

• May 12th, 2005

Byte b = new Byte((byte)5);  double d = b.byteValue();  System.out.println( "The double value is: " + d );

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A class does not inherit constructors from any of its superclasses.

nick

• Jan 9th, 2006

No, Constructors and Destructors are NOT inherited. They are implicitly called by the java compiler.

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The compiler supplies a default constructor for a class if no other constructors areprovided.

ziaur rahuman

• Dec 12th, 2005

If there is no other constructor i.e, if user didn't defined the constructor default constructor will be created and called up

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The Object class is the highest-level class in the Java class hierarchy. The Class class isused to representthe classes and interfaces that are loaded by a Java program.

mprodge

 Profile Answers by mprodge Questions by mprodge

• Mar 22nd, 2006

Objects and classes are mainly used for reducing the repeatitiveness in programming.These are the fundamental units of oop programmings.It reduces the time and complexity of programming..........

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Swing is an extension of, and not a replacement for the AWT. There is some overlap between AWT and Swing (for example a Swing JButton component might be viewed as an improved functional replacement for an AWT Button component.) One of the advantages of Swing components is that because the components are not rendered on the screen by the operating system, the look and feel of a component does not change...

Gaurav Sharma

• Oct 25th, 2006

One more thing i want to add in in this answer that AWT is written in pure C and swing is written in java.

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According to JavaSoft, "A Java Bean is a reusable software component that can be manipulated visually in a builder tool."

prasanna_b2001@yahoo.com

 Profile Answers by prasanna_b2001@yahoo.com Questions by prasanna_b2001@yahoo.com

• Dec 19th, 2005

Java bean is a simple java class with setter and getter methods which can hold data.

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The main reason you cannot create a button by Button bt1= "abc"; is because "abc" is a literal string (something slightly different than a String object, bytheway)and bt1 is a Button object. That simple. The only object in Java that can be assigned a literal String is java.lang.String. Important to note that you are NOT calling a java.lang.String constuctor when you type String s = "abc";For example String...

sandy4u_bits2002

 Profile Answers by sandy4u_bits2002 Questions by sandy4u_bits2002

• Apr 4th, 2006

sir   string x="abc" string y ="abc"  i dont think that here they refer to same object.I have refer the complete reference..automatically when u asign stringz like this ..different objects will b created.so give me answer gain indetail

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Java's interface mechanism can be used to implement multiple inheritance, with one important difference from c++ way of doing MI: the inherited interfaces must be abstract. This obviates the need to choose between different implementations, as with interfaces there are no implementations.

ketaketi

• Oct 20th, 2006

Class A extends B implements C

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1. Applets can be embedded in HTML pages and downloaded over the Internet whereas Applications have no special support in HTML for embedding or downloading.2. Applets can only be executed inside a java compatible container, such as a browser or appletviewer whereas Applications are executed at command line by java.exe or jview.exe.3. Applets execute under strict security limitations that disallow certain...

MANISHA PATHAK

 Profile Answers by MANISHA PATHAK Questions by MANISHA PATHAK

• Oct 26th, 2006

An Applet is a program which is intended to be transmitted over internet and An Application is a standalone programs which can run on any machine where JVM is installed.

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