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I need a java code for downloading files from the internet ..For example I want to download doc,pdf files from the internet means i have to do it through my code ..So can anyone help me

what may be the reason for the following message? D:\program files\Java\jdk1.5.0\bin>java FindNoun java.lang.NullPointerException at java.io.Writer.write(Writer.java:126) at ReplaceText.saveOutput(FindNoun.java:92) at FindNoun.main(FindNoun.java:109)

can anyone tel wat error i made in the below code..I want to assign the list of strings stored in one variable to one string array.wordlist contains list of variables. [code] for (int s=0; s <=wordlist; s++) { String wordlisting[s]=new wordlist; System.out.println(wordlisting[s]); } [/code] [U]error[/U] D:\program files\Java\jdk1.5.0\bin>javac Main.java Main.java:86: ']' …

can anyone explain wat this program is abt. ? [code] import java.util.regex.*; import java.lang.*; import java.io.*; import java.util.*; public class ReadPara { public static void main(String[] args) { CharSequence inputStr; inputStr = "a\r\n\r\nb"; // Windows // Compile the pattern String patternStr = "(^.*\\S+.*$)+"; Pattern pattern = Pattern.compile(patternStr, Pattern.MULTILINE); Matcher matcher …

For my proje i want to remove a unwanted paragraph in a text file. For example my text file may have acknowledgment in between sum useful data so i want to remove the acknowledgment paragraph fully...can anyone tel how to do tat

How to write these file datas in the new file...It should be done by wrting bytes into characters import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.FileNotFoundException; import java.io.IOException; public class fileread { public static void main(String[] args) { File file = new File("E:\\ir_Proj estimate_out.txt"); byte[] b = new byte[(int) file.length()]; …

I want to handle files of same type.For example if am dealing with txt files means i hav to read all the text files once and i should also find a certain keyword(similar keyword) which should exists in all those files. Anyone suggest how to do that.

how to change the contents in text file to ppt file with bullets ... My code for wat i tried to shift the contents to ppt from java is: import java.io.*; import java.util.*; class Filereader { public static void main(String args[])throws Exception{ FileReader fr = new FileReader("E:\backup_javaprog\file.java"); BufferedReader br=new BufferedReader(fr); …

Can anyone tell how to search for a keyword in any web page in java...Suppose if am giving query in a google page, The results will be displaying in many pages. In the 1st page i want to search for a keyword www. ...

how to run servelets in java ..I think there is no error in my following code...In java compiler its tellin that package does not exists. import java.io.*; import java.text.*; import java.util.*; import javax.servlet.*; import javax.servlet.http.*; public class HelloServelet extends GenericServelet { public void service(ServletRequest request,ServletResponse response)throws ServletException, IOException { response.setContentType("text/html"); …

My doubt is how to run applet ..My code is as follows: The following code complied successfully .......To see the output whether i hav 2 type it in browser or dos prompt itself.. If i gave java SampleButton while Running in dos prompt, Its giving error called `exception in thread …