Difference Between Unused And Unread Variables
Sep 19, 2014What is the exact difference between unused and unread variables in java?
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Difference Between Unused And Unread
Sep 19, 2014exact difference between
1. unread fields
2. unused fileds
in java
Unread Block Data When ReadObject
May 1, 2014I am developing a Client/Server java application, where CSMessage is sent through socket.CSMessage has some data like String type and HashMap<String, String> type.the Client send message:
private ObjectInputStream in;
private ObjectOutputStream out;
out = new ObjectOutputStream(socket.getOutputStream());
in = new ObjectInputStream(socket.getInputStream());
[code]....
When this happen, the only way to make the system to work is to kill the process and restart it, that's bad!
Difference Between Eclipse And JDK?
Feb 27, 2014I'm not sure if that's the right place to ask
But I am a bit confused:
I know that JDK means "Java Development Kit" , but isn't Eclipse the same thing? (so why it's called "IDE"?)
Or maybe Eclipse is a type of JDK?
Or actually JDK and Eclipse are 2 different things
JSF :: Difference Between EventHandler And ActionListener?
Feb 11, 2015What Is the difference between an ActionListener and an EventHandler ?
button.addActionListener(new ActionListener() {
button.setOnAction(new EventHandler<ActionEvent>() {
Difference Between Abstract And Inheritance
Dec 16, 2014I am new to java i dont understand the difference between the abstract and inheritance i mean we use the abstract class with extends with other class name ,even we do that same in the inheritance pls tell me main difference between abstract and inheritance...
View Replies View RelatedDifference Between Java And JavaScript?
Jul 11, 2014how to program in Javascript, I am wondering what are the advantages and disadvantages OR pros/cons of using JS versus say a language like Java?
View Replies View RelatedHow To Calculate Difference Between Two Dates
Oct 19, 2014I have been tasked with creating an invoice (school assignment). Part of the calculations is creating an interest depending on the amount of days between the current date entered, and invoice date entered (The program prompts the user to enter both the current and invoice dates by asking for the day, month and year).
We are also supposed to set the contructor to a default date of 1/1/1900.. but I don't know how or where to code that.
How to calculate the difference between the CurrentDate and Invoice. I have displayed the dates to the user as follows.
public void displayDate() {
System.out.println("
Today's Date: " + month + "/" + day + "/" + year);
}
public void displayInvDate() {
System.out.println("
Invoice Date: " + invMonth + "/" + invDay + "/" + invYear);
Difference Between LinkedList And ArrayList
Feb 19, 2014I have just begin to understand collections in Java. I read about the differences between LinkedList and ArrayList but have several doubts on it. I have mentioned them below
1) Why retrieving in ArrayList is faster then LinkedList?. Since both have the get method how does performance differ?.
2) How does re-sizing happens internally in ArrayList when a item is added or removed?. How slow this is compared to the pointer re-shuffling in LinkedList when a item is added or removed?.
Difference Between InputStream And InputStreamReader
Jul 11, 2014I read that InputStream is used for byte based reading it reads 1 byte at a time.And InputStreamReader is used for charcter based reading so it reads one charcter at a time so no need to convert this first to int then read it.Here is reading using InputStream.
input=new FileInputStream("D:/input.txt");
int c;
while((c=input.read())!=-1)
{
System.out.print((char)c);
}
and here is reading using InputStreamReader
input=new FileInputStream("D:/input.txt");
reader=new InputStreamReader(input,"UTF-8");
int c;
while((c=reader.read())!=-1)
{
System.out.print((char)c);
}
so what is difference between InputStream and InputStreamReader in both case i have to use a Int and then read it and at the end if I want to print that data I have to cast that with "(char)c".So what is advantage of using InputStreamReader?
Difference Between Protected Or Default
Mar 28, 2015I am new in java. Is there any difference between protected or default when we are talking about one package?
View Replies View RelatedJSP :: Difference Between Jspf And Tags?
Mar 12, 2015I know jspf is a jsp fragment, but can't a tag also serve as a jsp fragment?
View Replies View RelatedDifference Between Application And Applet?
Apr 13, 2014Can explain difference between applet and application?
What are differences in code? How to write application?
What are differences in use? I looked for some answers, but I can't understand what they are talking about.
For example:
Application:
Called as stand-alone application as application can be executed from command prompt
Applet:
Requires some third party tool like a browser to execute
But... While I export applet in exclipse I can use it without any browser, just like application(as I and avarage user knows it).
Ok, I understand difference like "Applets cannot read from or write to hard disk files."
So. What should I use while creating what?
For example, something as simple as windows calc, some 2d simply platformer, some more expanded app, like idk, spotify or media player or whatever?
Since after update 51 of java web applets are nearly useless(as I know, maybe I'm wrong?), what is better?
Can application have GUI or it is only applets thing(stupid question?)?
Where can I find any application tutorial? Everything that I found was for applets. Why?
Difference Between JavaFX And Swing?
Jan 28, 2014I know that oracle has released a statement saying that JavaFX will eventually replace Swing. What is the advantage of JavaFX? The new format, using "stage" instead of JFrame, seemed weird. Why is this change necessary? What benefit do we reap from JavaFX that Swing does not have?
View Replies View RelatedDifference Between Element And Index?
Apr 17, 2014Im working on my homework and it mentioned element for one exercise and an index in another, what is the difference, If Any, Between An Element And An Index?
View Replies View RelatedWhat Is Difference Between Float And Double
Jan 31, 2011What is the difference between float and double?
View Replies View RelatedDifference Between JavaSE8 And Its Predecessors?
Jul 14, 2014If I am making an application using Java SE8 and I use new concepts of JavaSE8 like "Lambda Expressions" and "Default Methods".
After completing my application I give it to client who are using Java Platform less than 8 like Jdk1.7._; then will this application will work fine as it is working on JavaSE8.
a JavaSE8 application works well on Java SE7 platform.
Difference Between Interpreter And Compiler?
Aug 13, 2014I am reading a java book and find a theory about Interpreter and Compiler. explain different between them?
View Replies View RelatedDifference In Days Between Dates
Dec 5, 2013I know this has been covered before but none of the answers made sense to me. I'm hoping there is an easy way to do this. I have 2 user inputted strings that I have converted to dates and I just want the difference in days.
My code :
import java.util.Date;
import java.text.SimpleDateFormat;
import java.util.Scanner;
import java.text.ParseException;
public class DateTest {
/**
* @param args the command line arguments
*/
public static void main(String[] args) throws ParseException {
[Code] ....
Apparently I can't just subtract the dates like I would in VB.
Difference Between REST GET And Httpget?
Dec 2, 2014But while searching i came across 2 different implementation.. One is this and other is this , where httpget is used..
So are these same ? When we talk about Restful, is the 2nd implementation valid ?
Difference Between A Class And Object
Jan 29, 2014I have finished a Java 101 class but the most we did was create a gui for a timer program. I figure I need more training and every book I pick up wants to teach me hello world and the difference between a class and object again.
View Replies View RelatedDifference Between Operator And Method
Jun 4, 2014I know instanceof is an operator and println is a method. But what is the difference between the two? How are they different/same?
View Replies View RelatedDifference Between Algorithm And Programming
Feb 21, 2014What is difference between algorithm and programming?How to develope algorithm knowledge?
View Replies View RelatedDifference Between 2 Codes Of Same Output
Apr 15, 2013I am new to Java language. Here, I have two Java code examples which prints out same output as expected.
What is the basic differences of these two programs. And, in which situations we should use this programs.
CODE NUMBER: 1_
public class ToStringDemo_1 {
double height;
double width;
double depth;
ToStringDemo_1(double arg1, double arg2, double arg3){
height = arg1;
width = arg2;
depth = arg3;
[Code] ....
Difference Between Keywords And Literals
Jul 5, 2013Keywords are the predefined definition known to compiler like public/static/void/class
And literals are String/init/double/char/ , so here for e.g. String , its also predefined class ..
So will it be right to say that literals are also keywords?
Difference Between Serialization Vs Externalization
Dec 4, 2013Difference between Serialization Vs Externalization
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